Home / 498,021.40-747,032.10-124,044.40

Finding the Fourth Proportional to 498,021.40, 747,032.10 and 124,044.40

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Solution

The fourth proportional to 498,021.40, 747,032.10 and 124,044.40 is: 186,066.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,021.40 : 747,032.10 = 124,044.40 : x
  2. Step 2: Convert to fraction form
    498,021.40/747,032.10 = 124,044.40/x
  3. Step 3: Cross multiply
    498,021.40x = 747,032.10 × 124,044.40
  4. Step 4: Simplify right side
    498,021.40x = 92,665,148,625.24
  5. Step 5: Solve for x
    x = 92,665,148,625.24/498,021.40
  6. Step 6: Final answer
    x = 186,066.60

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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.