Home / 957,111.18-1,320,871.43-527,390.79

Finding the Fourth Proportional to 957,111.18, 1,320,871.43 and 527,390.79

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Solution

The fourth proportional to 957,111.18, 1,320,871.43 and 527,390.79 is: 727,831.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,111.18 : 1,320,871.43 = 527,390.79 : x
  2. Step 2: Convert to fraction form
    957,111.18/1,320,871.43 = 527,390.79/x
  3. Step 3: Cross multiply
    957,111.18x = 1,320,871.43 × 527,390.79
  4. Step 4: Simplify right side
    957,111.18x = 696,615,426,956.13
  5. Step 5: Solve for x
    x = 696,615,426,956.13/957,111.18
  6. Step 6: Final answer
    x = 727,831.25

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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.