Home / 558,864.77-838,292.90-159,505.20

Finding the Fourth Proportional to 558,864.77, 838,292.90 and 159,505.20

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Solution

The fourth proportional to 558,864.77, 838,292.90 and 159,505.20 is: 239,256.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,864.77 : 838,292.90 = 159,505.20 : x
  2. Step 2: Convert to fraction form
    558,864.77/838,292.90 = 159,505.20/x
  3. Step 3: Cross multiply
    558,864.77x = 838,292.90 × 159,505.20
  4. Step 4: Simplify right side
    558,864.77x = 133,712,075,875.55
  5. Step 5: Solve for x
    x = 133,712,075,875.55/558,864.77
  6. Step 6: Final answer
    x = 239,256.59

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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.