Home / 558,651.20-838,026.20-159,283.40

Finding the Fourth Proportional to 558,651.20, 838,026.20 and 159,283.40

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Solution

The fourth proportional to 558,651.20, 838,026.20 and 159,283.40 is: 238,939.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,651.20 : 838,026.20 = 159,283.40 : x
  2. Step 2: Convert to fraction form
    558,651.20/838,026.20 = 159,283.40/x
  3. Step 3: Cross multiply
    558,651.20x = 838,026.20 × 159,283.40
  4. Step 4: Simplify right side
    558,651.20x = 133,483,658,633.16
  5. Step 5: Solve for x
    x = 133,483,658,633.16/558,651.20
  6. Step 6: Final answer
    x = 238,939.18

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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.