Home / 957,110.40-1,320,871.19-527,390.42

Finding the Fourth Proportional to 957,110.40, 1,320,871.19 and 527,390.42

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Solution

The fourth proportional to 957,110.40, 1,320,871.19 and 527,390.42 is: 727,831.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,110.40 : 1,320,871.19 = 527,390.42 : x
  2. Step 2: Convert to fraction form
    957,110.40/1,320,871.19 = 527,390.42/x
  3. Step 3: Cross multiply
    957,110.40x = 1,320,871.19 × 527,390.42
  4. Step 4: Simplify right side
    957,110.40x = 696,614,802,418.69
  5. Step 5: Solve for x
    x = 696,614,802,418.69/957,110.40
  6. Step 6: Final answer
    x = 727,831.19

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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.