Home / 716,276.45-988,601.75-410,557.61

Finding the Fourth Proportional to 716,276.45, 988,601.75 and 410,557.61

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Solution

The fourth proportional to 716,276.45, 988,601.75 and 410,557.61 is: 566,649.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,276.45 : 988,601.75 = 410,557.61 : x
  2. Step 2: Convert to fraction form
    716,276.45/988,601.75 = 410,557.61/x
  3. Step 3: Cross multiply
    716,276.45x = 988,601.75 × 410,557.61
  4. Step 4: Simplify right side
    716,276.45x = 405,877,964,726.02
  5. Step 5: Solve for x
    x = 405,877,964,726.02/716,276.45
  6. Step 6: Final answer
    x = 566,649.88

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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.