Home / 908,997.71-1,254,425.31-501,114.15

Finding the Fourth Proportional to 908,997.71, 1,254,425.31 and 501,114.15

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Solution

The fourth proportional to 908,997.71, 1,254,425.31 and 501,114.15 is: 691,542.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,997.71 : 1,254,425.31 = 501,114.15 : x
  2. Step 2: Convert to fraction form
    908,997.71/1,254,425.31 = 501,114.15/x
  3. Step 3: Cross multiply
    908,997.71x = 1,254,425.31 × 501,114.15
  4. Step 4: Simplify right side
    908,997.71x = 628,610,273,488.79
  5. Step 5: Solve for x
    x = 628,610,273,488.79/908,997.71
  6. Step 6: Final answer
    x = 691,542.19

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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.