Home / 658,366.02-908,936.66-416,855.61

Finding the Fourth Proportional to 658,366.02, 908,936.66 and 416,855.61

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Solution

The fourth proportional to 658,366.02, 908,936.66 and 416,855.61 is: 575,508.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,366.02 : 908,936.66 = 416,855.61 : x
  2. Step 2: Convert to fraction form
    658,366.02/908,936.66 = 416,855.61/x
  3. Step 3: Cross multiply
    658,366.02x = 908,936.66 × 416,855.61
  4. Step 4: Simplify right side
    658,366.02x = 378,895,345,855.66
  5. Step 5: Solve for x
    x = 378,895,345,855.66/658,366.02
  6. Step 6: Final answer
    x = 575,508.66

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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.