Home / 861,281.76-1,187,337.04-605,840.16

Finding the Fourth Proportional to 861,281.76, 1,187,337.04 and 605,840.16

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Solution

The fourth proportional to 861,281.76, 1,187,337.04 and 605,840.16 is: 835,192.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,281.76 : 1,187,337.04 = 605,840.16 : x
  2. Step 2: Convert to fraction form
    861,281.76/1,187,337.04 = 605,840.16/x
  3. Step 3: Cross multiply
    861,281.76x = 1,187,337.04 × 605,840.16
  4. Step 4: Simplify right side
    861,281.76x = 719,336,462,287.53
  5. Step 5: Solve for x
    x = 719,336,462,287.53/861,281.76
  6. Step 6: Final answer
    x = 835,192.96

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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.