Home / 1,125,450.40-1,688,175.60-337,482.40

Finding the Fourth Proportional to 1,125,450.40, 1,688,175.60 and 337,482.40

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Solution

The fourth proportional to 1,125,450.40, 1,688,175.60 and 337,482.40 is: 506,223.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,450.40 : 1,688,175.60 = 337,482.40 : x
  2. Step 2: Convert to fraction form
    1,125,450.40/1,688,175.60 = 337,482.40/x
  3. Step 3: Cross multiply
    1,125,450.40x = 1,688,175.60 × 337,482.40
  4. Step 4: Simplify right side
    1,125,450.40x = 569,729,553,109.44
  5. Step 5: Solve for x
    x = 569,729,553,109.44/1,125,450.40
  6. Step 6: Final answer
    x = 506,223.60

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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.