Home / 382,113.78-572,423.28-314,742.53

Finding the Fourth Proportional to 382,113.78, 572,423.28 and 314,742.53

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Solution

The fourth proportional to 382,113.78, 572,423.28 and 314,742.53 is: 471,498.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,113.78 : 572,423.28 = 314,742.53 : x
  2. Step 2: Convert to fraction form
    382,113.78/572,423.28 = 314,742.53/x
  3. Step 3: Cross multiply
    382,113.78x = 572,423.28 × 314,742.53
  4. Step 4: Simplify right side
    382,113.78x = 180,165,951,378.10
  5. Step 5: Solve for x
    x = 180,165,951,378.10/382,113.78
  6. Step 6: Final answer
    x = 471,498.18

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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.