Home / 1,156,073.06-1,595,331.78-639,778.66

Finding the Fourth Proportional to 1,156,073.06, 1,595,331.78 and 639,778.66

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Solution

The fourth proportional to 1,156,073.06, 1,595,331.78 and 639,778.66 is: 882,867.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,073.06 : 1,595,331.78 = 639,778.66 : x
  2. Step 2: Convert to fraction form
    1,156,073.06/1,595,331.78 = 639,778.66/x
  3. Step 3: Cross multiply
    1,156,073.06x = 1,595,331.78 × 639,778.66
  4. Step 4: Simplify right side
    1,156,073.06x = 1,020,659,228,463.81
  5. Step 5: Solve for x
    x = 1,020,659,228,463.81/1,156,073.06
  6. Step 6: Final answer
    x = 882,867.41

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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.