Home / 861,260.76-1,187,308.08-605,819.16

Finding the Fourth Proportional to 861,260.76, 1,187,308.08 and 605,819.16

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Solution

The fourth proportional to 861,260.76, 1,187,308.08 and 605,819.16 is: 835,164.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,260.76 : 1,187,308.08 = 605,819.16 : x
  2. Step 2: Convert to fraction form
    861,260.76/1,187,308.08 = 605,819.16/x
  3. Step 3: Cross multiply
    861,260.76x = 1,187,308.08 × 605,819.16
  4. Step 4: Simplify right side
    861,260.76x = 719,293,983,686.81
  5. Step 5: Solve for x
    x = 719,293,983,686.81/861,260.76
  6. Step 6: Final answer
    x = 835,164.00

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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.