Home / 1,156,008.13-1,595,255.19-639,730.96

Finding the Fourth Proportional to 1,156,008.13, 1,595,255.19 and 639,730.96

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Solution

The fourth proportional to 1,156,008.13, 1,595,255.19 and 639,730.96 is: 882,808.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,008.13 : 1,595,255.19 = 639,730.96 : x
  2. Step 2: Convert to fraction form
    1,156,008.13/1,595,255.19 = 639,730.96/x
  3. Step 3: Cross multiply
    1,156,008.13x = 1,595,255.19 × 639,730.96
  4. Step 4: Simplify right side
    1,156,008.13x = 1,020,534,134,143.68
  5. Step 5: Solve for x
    x = 1,020,534,134,143.68/1,156,008.13
  6. Step 6: Final answer
    x = 882,808.79

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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.