Home / 927,874.88-1,280,424.48-525,469.76

Finding the Fourth Proportional to 927,874.88, 1,280,424.48 and 525,469.76

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Solution

The fourth proportional to 927,874.88, 1,280,424.48 and 525,469.76 is: 725,124.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,874.88 : 1,280,424.48 = 525,469.76 : x
  2. Step 2: Convert to fraction form
    927,874.88/1,280,424.48 = 525,469.76/x
  3. Step 3: Cross multiply
    927,874.88x = 1,280,424.48 × 525,469.76
  4. Step 4: Simplify right side
    927,874.88x = 672,824,344,203.73
  5. Step 5: Solve for x
    x = 672,824,344,203.73/927,874.88
  6. Step 6: Final answer
    x = 725,124.00

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1.5x scale

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.