Home / 957,115.64-1,320,847.76-527,423.45

Finding the Fourth Proportional to 957,115.64, 1,320,847.76 and 527,423.45

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Solution

The fourth proportional to 957,115.64, 1,320,847.76 and 527,423.45 is: 727,859.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,115.64 : 1,320,847.76 = 527,423.45 : x
  2. Step 2: Convert to fraction form
    957,115.64/1,320,847.76 = 527,423.45/x
  3. Step 3: Cross multiply
    957,115.64x = 1,320,847.76 × 527,423.45
  4. Step 4: Simplify right side
    957,115.64x = 696,646,082,503.97
  5. Step 5: Solve for x
    x = 696,646,082,503.97/957,115.64
  6. Step 6: Final answer
    x = 727,859.89

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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.