Home / 840,141.22-1,159,484.80-513,645.82

Finding the Fourth Proportional to 840,141.22, 1,159,484.80 and 513,645.82

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Solution

The fourth proportional to 840,141.22, 1,159,484.80 and 513,645.82 is: 708,886.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,141.22 : 1,159,484.80 = 513,645.82 : x
  2. Step 2: Convert to fraction form
    840,141.22/1,159,484.80 = 513,645.82/x
  3. Step 3: Cross multiply
    840,141.22x = 1,159,484.80 × 513,645.82
  4. Step 4: Simplify right side
    840,141.22x = 595,564,520,873.54
  5. Step 5: Solve for x
    x = 595,564,520,873.54/840,141.22
  6. Step 6: Final answer
    x = 708,886.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.