Home / 665,244.20-917,776.50-410,152.52

Finding the Fourth Proportional to 665,244.20, 917,776.50 and 410,152.52

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Solution

The fourth proportional to 665,244.20, 917,776.50 and 410,152.52 is: 565,849.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,244.20 : 917,776.50 = 410,152.52 : x
  2. Step 2: Convert to fraction form
    665,244.20/917,776.50 = 410,152.52/x
  3. Step 3: Cross multiply
    665,244.20x = 917,776.50 × 410,152.52
  4. Step 4: Simplify right side
    665,244.20x = 376,428,344,271.78
  5. Step 5: Solve for x
    x = 376,428,344,271.78/665,244.20
  6. Step 6: Final answer
    x = 565,849.87

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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.