Home / 963,186.90-1,329,220.04-527,645.85

Finding the Fourth Proportional to 963,186.90, 1,329,220.04 and 527,645.85

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Solution

The fourth proportional to 963,186.90, 1,329,220.04 and 527,645.85 is: 728,163.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,186.90 : 1,329,220.04 = 527,645.85 : x
  2. Step 2: Convert to fraction form
    963,186.90/1,329,220.04 = 527,645.85/x
  3. Step 3: Cross multiply
    963,186.90x = 1,329,220.04 × 527,645.85
  4. Step 4: Simplify right side
    963,186.90x = 701,357,435,204.61
  5. Step 5: Solve for x
    x = 701,357,435,204.61/963,186.90
  6. Step 6: Final answer
    x = 728,163.39

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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.