Home / 1,125,642.40-1,688,463.60-337,674.40

Finding the Fourth Proportional to 1,125,642.40, 1,688,463.60 and 337,674.40

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Solution

The fourth proportional to 1,125,642.40, 1,688,463.60 and 337,674.40 is: 506,511.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,642.40 : 1,688,463.60 = 337,674.40 : x
  2. Step 2: Convert to fraction form
    1,125,642.40/1,688,463.60 = 337,674.40/x
  3. Step 3: Cross multiply
    1,125,642.40x = 1,688,463.60 × 337,674.40
  4. Step 4: Simplify right side
    1,125,642.40x = 570,150,933,051.84
  5. Step 5: Solve for x
    x = 570,150,933,051.84/1,125,642.40
  6. Step 6: Final answer
    x = 506,511.60

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.