Home / 343,565.12-474,132.53-207,572.79

Finding the Fourth Proportional to 343,565.12, 474,132.53 and 207,572.79

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Solution

The fourth proportional to 343,565.12, 474,132.53 and 207,572.79 is: 286,458.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,565.12 : 474,132.53 = 207,572.79 : x
  2. Step 2: Convert to fraction form
    343,565.12/474,132.53 = 207,572.79/x
  3. Step 3: Cross multiply
    343,565.12x = 474,132.53 × 207,572.79
  4. Step 4: Simplify right side
    343,565.12x = 98,417,012,600.79
  5. Step 5: Solve for x
    x = 98,417,012,600.79/343,565.12
  6. Step 6: Final answer
    x = 286,458.10

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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.