Home / 434,877.60-652,381.20-154,371.36

Finding the Fourth Proportional to 434,877.60, 652,381.20 and 154,371.36

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Solution

The fourth proportional to 434,877.60, 652,381.20 and 154,371.36 is: 231,580.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,877.60 : 652,381.20 = 154,371.36 : x
  2. Step 2: Convert to fraction form
    434,877.60/652,381.20 = 154,371.36/x
  3. Step 3: Cross multiply
    434,877.60x = 652,381.20 × 154,371.36
  4. Step 4: Simplify right side
    434,877.60x = 100,708,973,082.43
  5. Step 5: Solve for x
    x = 100,708,973,082.43/434,877.60
  6. Step 6: Final answer
    x = 231,580.04

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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.