Home / 1,026,133.60-1,539,200.40-278,179.60

Finding the Fourth Proportional to 1,026,133.60, 1,539,200.40 and 278,179.60

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Solution

The fourth proportional to 1,026,133.60, 1,539,200.40 and 278,179.60 is: 417,269.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,133.60 : 1,539,200.40 = 278,179.60 : x
  2. Step 2: Convert to fraction form
    1,026,133.60/1,539,200.40 = 278,179.60/x
  3. Step 3: Cross multiply
    1,026,133.60x = 1,539,200.40 × 278,179.60
  4. Step 4: Simplify right side
    1,026,133.60x = 428,174,151,591.84
  5. Step 5: Solve for x
    x = 428,174,151,591.84/1,026,133.60
  6. Step 6: Final answer
    x = 417,269.40

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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.