Home / 684,438.66-944,531.28-382,632.66

Finding the Fourth Proportional to 684,438.66, 944,531.28 and 382,632.66

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Solution

The fourth proportional to 684,438.66, 944,531.28 and 382,632.66 is: 528,036.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,438.66 : 944,531.28 = 382,632.66 : x
  2. Step 2: Convert to fraction form
    684,438.66/944,531.28 = 382,632.66/x
  3. Step 3: Cross multiply
    684,438.66x = 944,531.28 × 382,632.66
  4. Step 4: Simplify right side
    684,438.66x = 361,408,516,119.61
  5. Step 5: Solve for x
    x = 361,408,516,119.61/684,438.66
  6. Step 6: Final answer
    x = 528,036.39

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Double scale
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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.