Home / 424,108.55-636,378.02-282,052.73

Finding the Fourth Proportional to 424,108.55, 636,378.02 and 282,052.73

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Solution

The fourth proportional to 424,108.55, 636,378.02 and 282,052.73 is: 423,222.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,108.55 : 636,378.02 = 282,052.73 : x
  2. Step 2: Convert to fraction form
    424,108.55/636,378.02 = 282,052.73/x
  3. Step 3: Cross multiply
    424,108.55x = 636,378.02 × 282,052.73
  4. Step 4: Simplify right side
    424,108.55x = 179,492,156,442.73
  5. Step 5: Solve for x
    x = 179,492,156,442.73/424,108.55
  6. Step 6: Final answer
    x = 423,222.21

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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.