Home / 987,833.88-1,363,210.56-535,124.88

Finding the Fourth Proportional to 987,833.88, 1,363,210.56 and 535,124.88

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Solution

The fourth proportional to 987,833.88, 1,363,210.56 and 535,124.88 is: 738,472.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,833.88 : 1,363,210.56 = 535,124.88 : x
  2. Step 2: Convert to fraction form
    987,833.88/1,363,210.56 = 535,124.88/x
  3. Step 3: Cross multiply
    987,833.88x = 1,363,210.56 × 535,124.88
  4. Step 4: Simplify right side
    987,833.88x = 729,487,887,334.73
  5. Step 5: Solve for x
    x = 729,487,887,334.73/987,833.88
  6. Step 6: Final answer
    x = 738,472.23

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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.