Home / 716,577.76-988,764.40-410,595.27

Finding the Fourth Proportional to 716,577.76, 988,764.40 and 410,595.27

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Solution

The fourth proportional to 716,577.76, 988,764.40 and 410,595.27 is: 566,556.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,577.76 : 988,764.40 = 410,595.27 : x
  2. Step 2: Convert to fraction form
    716,577.76/988,764.40 = 410,595.27/x
  3. Step 3: Cross multiply
    716,577.76x = 988,764.40 × 410,595.27
  4. Step 4: Simplify right side
    716,577.76x = 405,981,989,282.79
  5. Step 5: Solve for x
    x = 405,981,989,282.79/716,577.76
  6. Step 6: Final answer
    x = 566,556.78

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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.