Home / 552,981.60-829,472.40-198,007.20

Finding the Fourth Proportional to 552,981.60, 829,472.40 and 198,007.20

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Solution

The fourth proportional to 552,981.60, 829,472.40 and 198,007.20 is: 297,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,981.60 : 829,472.40 = 198,007.20 : x
  2. Step 2: Convert to fraction form
    552,981.60/829,472.40 = 198,007.20/x
  3. Step 3: Cross multiply
    552,981.60x = 829,472.40 × 198,007.20
  4. Step 4: Simplify right side
    552,981.60x = 164,241,507,401.28
  5. Step 5: Solve for x
    x = 164,241,507,401.28/552,981.60
  6. Step 6: Final answer
    x = 297,010.80

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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.