Home / 859,691.16-1,186,027.38-519,568.92

Finding the Fourth Proportional to 859,691.16, 1,186,027.38 and 519,568.92

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Solution

The fourth proportional to 859,691.16, 1,186,027.38 and 519,568.92 is: 716,795.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,691.16 : 1,186,027.38 = 519,568.92 : x
  2. Step 2: Convert to fraction form
    859,691.16/1,186,027.38 = 519,568.92/x
  3. Step 3: Cross multiply
    859,691.16x = 1,186,027.38 × 519,568.92
  4. Step 4: Simplify right side
    859,691.16x = 616,222,964,917.03
  5. Step 5: Solve for x
    x = 616,222,964,917.03/859,691.16
  6. Step 6: Final answer
    x = 716,795.74

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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.