Home / 861,441.36-1,188,800.34-474,301.80

Finding the Fourth Proportional to 861,441.36, 1,188,800.34 and 474,301.80

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Solution

The fourth proportional to 861,441.36, 1,188,800.34 and 474,301.80 is: 654,542.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,441.36 : 1,188,800.34 = 474,301.80 : x
  2. Step 2: Convert to fraction form
    861,441.36/1,188,800.34 = 474,301.80/x
  3. Step 3: Cross multiply
    861,441.36x = 1,188,800.34 × 474,301.80
  4. Step 4: Simplify right side
    861,441.36x = 563,850,141,102.61
  5. Step 5: Solve for x
    x = 563,850,141,102.61/861,441.36
  6. Step 6: Final answer
    x = 654,542.69

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Double scale
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1.5x scale

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.