Home / 953,433.12-1,315,732.88-523,711.92

Finding the Fourth Proportional to 953,433.12, 1,315,732.88 and 523,711.92

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Solution

The fourth proportional to 953,433.12, 1,315,732.88 and 523,711.92 is: 722,719.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,433.12 : 1,315,732.88 = 523,711.92 : x
  2. Step 2: Convert to fraction form
    953,433.12/1,315,732.88 = 523,711.92/x
  3. Step 3: Cross multiply
    953,433.12x = 1,315,732.88 × 523,711.92
  4. Step 4: Simplify right side
    953,433.12x = 689,064,992,791.93
  5. Step 5: Solve for x
    x = 689,064,992,791.93/953,433.12
  6. Step 6: Final answer
    x = 722,719.80

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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.