Home / 693,772.20-1,040,658.30-525,810.60

Finding the Fourth Proportional to 693,772.20, 1,040,658.30 and 525,810.60

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Solution

The fourth proportional to 693,772.20, 1,040,658.30 and 525,810.60 is: 788,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,772.20 : 1,040,658.30 = 525,810.60 : x
  2. Step 2: Convert to fraction form
    693,772.20/1,040,658.30 = 525,810.60/x
  3. Step 3: Cross multiply
    693,772.20x = 1,040,658.30 × 525,810.60
  4. Step 4: Simplify right side
    693,772.20x = 547,189,165,117.98
  5. Step 5: Solve for x
    x = 547,189,165,117.98/693,772.20
  6. Step 6: Final answer
    x = 788,715.90

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.