Home / 887,246.46-1,223,125.65-632,154.78

Finding the Fourth Proportional to 887,246.46, 1,223,125.65 and 632,154.78

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Solution

The fourth proportional to 887,246.46, 1,223,125.65 and 632,154.78 is: 871,465.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,246.46 : 1,223,125.65 = 632,154.78 : x
  2. Step 2: Convert to fraction form
    887,246.46/1,223,125.65 = 632,154.78/x
  3. Step 3: Cross multiply
    887,246.46x = 1,223,125.65 × 632,154.78
  4. Step 4: Simplify right side
    887,246.46x = 773,204,726,188.11
  5. Step 5: Solve for x
    x = 773,204,726,188.11/887,246.46
  6. Step 6: Final answer
    x = 871,465.55

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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.