Home / 938,022.60-1,405,997.10-517,600.20

Finding the Fourth Proportional to 938,022.60, 1,405,997.10 and 517,600.20

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Solution

The fourth proportional to 938,022.60, 1,405,997.10 and 517,600.20 is: 775,828.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,022.60 : 1,405,997.10 = 517,600.20 : x
  2. Step 2: Convert to fraction form
    938,022.60/1,405,997.10 = 517,600.20/x
  3. Step 3: Cross multiply
    938,022.60x = 1,405,997.10 × 517,600.20
  4. Step 4: Simplify right side
    938,022.60x = 727,744,380,159.42
  5. Step 5: Solve for x
    x = 727,744,380,159.42/938,022.60
  6. Step 6: Final answer
    x = 775,828.19

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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.