Home / 953,365.28-1,315,654.80-523,655.36

Finding the Fourth Proportional to 953,365.28, 1,315,654.80 and 523,655.36

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Solution

The fourth proportional to 953,365.28, 1,315,654.80 and 523,655.36 is: 722,650.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,365.28 : 1,315,654.80 = 523,655.36 : x
  2. Step 2: Convert to fraction form
    953,365.28/1,315,654.80 = 523,655.36/x
  3. Step 3: Cross multiply
    953,365.28x = 1,315,654.80 × 523,655.36
  4. Step 4: Simplify right side
    953,365.28x = 688,949,687,929.73
  5. Step 5: Solve for x
    x = 688,949,687,929.73/953,365.28
  6. Step 6: Final answer
    x = 722,650.28

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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.