Home / 498,934.77-748,875.30-308,820.06

Finding the Fourth Proportional to 498,934.77, 748,875.30 and 308,820.06

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Solution

The fourth proportional to 498,934.77, 748,875.30 and 308,820.06 is: 463,522.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,934.77 : 748,875.30 = 308,820.06 : x
  2. Step 2: Convert to fraction form
    498,934.77/748,875.30 = 308,820.06/x
  3. Step 3: Cross multiply
    498,934.77x = 748,875.30 × 308,820.06
  4. Step 4: Simplify right side
    498,934.77x = 231,267,715,078.52
  5. Step 5: Solve for x
    x = 231,267,715,078.52/498,934.77
  6. Step 6: Final answer
    x = 463,522.95

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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.