Home / 472,067.48-707,281.08-425,812.43

Finding the Fourth Proportional to 472,067.48, 707,281.08 and 425,812.43

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Solution

The fourth proportional to 472,067.48, 707,281.08 and 425,812.43 is: 637,978.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,067.48 : 707,281.08 = 425,812.43 : x
  2. Step 2: Convert to fraction form
    472,067.48/707,281.08 = 425,812.43/x
  3. Step 3: Cross multiply
    472,067.48x = 707,281.08 × 425,812.43
  4. Step 4: Simplify right side
    472,067.48x = 301,169,071,831.42
  5. Step 5: Solve for x
    x = 301,169,071,831.42/472,067.48
  6. Step 6: Final answer
    x = 637,978.86

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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.