Home / 861,269.76-1,187,320.50-605,828.16

Finding the Fourth Proportional to 861,269.76, 1,187,320.50 and 605,828.16

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Solution

The fourth proportional to 861,269.76, 1,187,320.50 and 605,828.16 is: 835,176.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,269.76 : 1,187,320.50 = 605,828.16 : x
  2. Step 2: Convert to fraction form
    861,269.76/1,187,320.50 = 605,828.16/x
  3. Step 3: Cross multiply
    861,269.76x = 1,187,320.50 × 605,828.16
  4. Step 4: Simplify right side
    861,269.76x = 719,312,193,845.28
  5. Step 5: Solve for x
    x = 719,312,193,845.28/861,269.76
  6. Step 6: Final answer
    x = 835,176.42

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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.