Home / 938,845.64-1,295,607.28-509,125.64

Finding the Fourth Proportional to 938,845.64, 1,295,607.28 and 509,125.64

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Solution

The fourth proportional to 938,845.64, 1,295,607.28 and 509,125.64 is: 702,593.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,845.64 : 1,295,607.28 = 509,125.64 : x
  2. Step 2: Convert to fraction form
    938,845.64/1,295,607.28 = 509,125.64/x
  3. Step 3: Cross multiply
    938,845.64x = 1,295,607.28 × 509,125.64
  4. Step 4: Simplify right side
    938,845.64x = 659,626,885,618.66
  5. Step 5: Solve for x
    x = 659,626,885,618.66/938,845.64
  6. Step 6: Final answer
    x = 702,593.54

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.