Home / 558,672.40-838,012.85-159,312.83

Finding the Fourth Proportional to 558,672.40, 838,012.85 and 159,312.83

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Solution

The fourth proportional to 558,672.40, 838,012.85 and 159,312.83 is: 238,970.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,672.40 : 838,012.85 = 159,312.83 : x
  2. Step 2: Convert to fraction form
    558,672.40/838,012.85 = 159,312.83/x
  3. Step 3: Cross multiply
    558,672.40x = 838,012.85 × 159,312.83
  4. Step 4: Simplify right side
    558,672.40x = 133,506,198,709.87
  5. Step 5: Solve for x
    x = 133,506,198,709.87/558,672.40
  6. Step 6: Final answer
    x = 238,970.46

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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.