Home / 923,425.28-1,271,484.48-787,153.76

Finding the Fourth Proportional to 923,425.28, 1,271,484.48 and 787,153.76

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Solution

The fourth proportional to 923,425.28, 1,271,484.48 and 787,153.76 is: 1,083,849.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,425.28 : 1,271,484.48 = 787,153.76 : x
  2. Step 2: Convert to fraction form
    923,425.28/1,271,484.48 = 787,153.76/x
  3. Step 3: Cross multiply
    923,425.28x = 1,271,484.48 × 787,153.76
  4. Step 4: Simplify right side
    923,425.28x = 1,000,853,789,213.64
  5. Step 5: Solve for x
    x = 1,000,853,789,213.64/923,425.28
  6. Step 6: Final answer
    x = 1,083,849.24

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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.