Home / 861,271.76-1,187,323.26-605,830.16

Finding the Fourth Proportional to 861,271.76, 1,187,323.26 and 605,830.16

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Solution

The fourth proportional to 861,271.76, 1,187,323.26 and 605,830.16 is: 835,179.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,271.76 : 1,187,323.26 = 605,830.16 : x
  2. Step 2: Convert to fraction form
    861,271.76/1,187,323.26 = 605,830.16/x
  3. Step 3: Cross multiply
    861,271.76x = 1,187,323.26 × 605,830.16
  4. Step 4: Simplify right side
    861,271.76x = 719,316,240,577.52
  5. Step 5: Solve for x
    x = 719,316,240,577.52/861,271.76
  6. Step 6: Final answer
    x = 835,179.18

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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.