Home / 743,046.40-1,114,569.60-534,649.60

Finding the Fourth Proportional to 743,046.40, 1,114,569.60 and 534,649.60

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Solution

The fourth proportional to 743,046.40, 1,114,569.60 and 534,649.60 is: 801,974.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,046.40 : 1,114,569.60 = 534,649.60 : x
  2. Step 2: Convert to fraction form
    743,046.40/1,114,569.60 = 534,649.60/x
  3. Step 3: Cross multiply
    743,046.40x = 1,114,569.60 × 534,649.60
  4. Step 4: Simplify right side
    743,046.40x = 595,904,190,812.16
  5. Step 5: Solve for x
    x = 595,904,190,812.16/743,046.40
  6. Step 6: Final answer
    x = 801,974.40

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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.