Home / 716,577.67-988,764.27-410,595.18

Finding the Fourth Proportional to 716,577.67, 988,764.27 and 410,595.18

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Solution

The fourth proportional to 716,577.67, 988,764.27 and 410,595.18 is: 566,556.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,577.67 : 988,764.27 = 410,595.18 : x
  2. Step 2: Convert to fraction form
    716,577.67/988,764.27 = 410,595.18/x
  3. Step 3: Cross multiply
    716,577.67x = 988,764.27 × 410,595.18
  4. Step 4: Simplify right side
    716,577.67x = 405,981,844,415.92
  5. Step 5: Solve for x
    x = 405,981,844,415.92/716,577.67
  6. Step 6: Final answer
    x = 566,556.65

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Double scale
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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.