Home / 527,939.85-728,547.50-298,493.18

Finding the Fourth Proportional to 527,939.85, 728,547.50 and 298,493.18

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Solution

The fourth proportional to 527,939.85, 728,547.50 and 298,493.18 is: 411,915.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,939.85 : 728,547.50 = 298,493.18 : x
  2. Step 2: Convert to fraction form
    527,939.85/728,547.50 = 298,493.18/x
  3. Step 3: Cross multiply
    527,939.85x = 728,547.50 × 298,493.18
  4. Step 4: Simplify right side
    527,939.85x = 217,466,454,920.85
  5. Step 5: Solve for x
    x = 217,466,454,920.85/527,939.85
  6. Step 6: Final answer
    x = 411,915.21

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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.