Home / 836,934.48-1,154,945.28-474,391.76

Finding the Fourth Proportional to 836,934.48, 1,154,945.28 and 474,391.76

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Solution

The fourth proportional to 836,934.48, 1,154,945.28 and 474,391.76 is: 654,646.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,934.48 : 1,154,945.28 = 474,391.76 : x
  2. Step 2: Convert to fraction form
    836,934.48/1,154,945.28 = 474,391.76/x
  3. Step 3: Cross multiply
    836,934.48x = 1,154,945.28 × 474,391.76
  4. Step 4: Simplify right side
    836,934.48x = 547,896,524,082.89
  5. Step 5: Solve for x
    x = 547,896,524,082.89/836,934.48
  6. Step 6: Final answer
    x = 654,646.85

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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.