Home / 498,936.89-748,878.50-308,822.18

Finding the Fourth Proportional to 498,936.89, 748,878.50 and 308,822.18

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Solution

The fourth proportional to 498,936.89, 748,878.50 and 308,822.18 is: 463,526.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,936.89 : 748,878.50 = 308,822.18 : x
  2. Step 2: Convert to fraction form
    498,936.89/748,878.50 = 308,822.18/x
  3. Step 3: Cross multiply
    498,936.89x = 748,878.50 × 308,822.18
  4. Step 4: Simplify right side
    498,936.89x = 231,270,290,925.13
  5. Step 5: Solve for x
    x = 231,270,290,925.13/498,936.89
  6. Step 6: Final answer
    x = 463,526.14

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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.