Home / 859,140.30-1,185,068.97-527,851.11

Finding the Fourth Proportional to 859,140.30, 1,185,068.97 and 527,851.11

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Solution

The fourth proportional to 859,140.30, 1,185,068.97 and 527,851.11 is: 728,099.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,140.30 : 1,185,068.97 = 527,851.11 : x
  2. Step 2: Convert to fraction form
    859,140.30/1,185,068.97 = 527,851.11/x
  3. Step 3: Cross multiply
    859,140.30x = 1,185,068.97 × 527,851.11
  4. Step 4: Simplify right side
    859,140.30x = 625,539,971,241.06
  5. Step 5: Solve for x
    x = 625,539,971,241.06/859,140.30
  6. Step 6: Final answer
    x = 728,099.91

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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.