Home / 866,784.20-1,196,643.23-522,707.27

Finding the Fourth Proportional to 866,784.20, 1,196,643.23 and 522,707.27

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Solution

The fourth proportional to 866,784.20, 1,196,643.23 and 522,707.27 is: 721,626.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,784.20 : 1,196,643.23 = 522,707.27 : x
  2. Step 2: Convert to fraction form
    866,784.20/1,196,643.23 = 522,707.27/x
  3. Step 3: Cross multiply
    866,784.20x = 1,196,643.23 × 522,707.27
  4. Step 4: Simplify right side
    866,784.20x = 625,494,107,320.53
  5. Step 5: Solve for x
    x = 625,494,107,320.53/866,784.20
  6. Step 6: Final answer
    x = 721,626.11

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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.