Home / 517,948.57-714,868.31-291,594.07

Finding the Fourth Proportional to 517,948.57, 714,868.31 and 291,594.07

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Solution

The fourth proportional to 517,948.57, 714,868.31 and 291,594.07 is: 402,455.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,948.57 : 714,868.31 = 291,594.07 : x
  2. Step 2: Convert to fraction form
    517,948.57/714,868.31 = 291,594.07/x
  3. Step 3: Cross multiply
    517,948.57x = 714,868.31 × 291,594.07
  4. Step 4: Simplify right side
    517,948.57x = 208,451,356,781.78
  5. Step 5: Solve for x
    x = 208,451,356,781.78/517,948.57
  6. Step 6: Final answer
    x = 402,455.71

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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.