Home / 383,448.28-574,334.25-316,132.42

Finding the Fourth Proportional to 383,448.28, 574,334.25 and 316,132.42

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Solution

The fourth proportional to 383,448.28, 574,334.25 and 316,132.42 is: 473,507.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,448.28 : 574,334.25 = 316,132.42 : x
  2. Step 2: Convert to fraction form
    383,448.28/574,334.25 = 316,132.42/x
  3. Step 3: Cross multiply
    383,448.28x = 574,334.25 × 316,132.42
  4. Step 4: Simplify right side
    383,448.28x = 181,565,676,341.39
  5. Step 5: Solve for x
    x = 181,565,676,341.39/383,448.28
  6. Step 6: Final answer
    x = 473,507.60

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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.