Home / 927,753.93-1,280,278.71-545,805.27

Finding the Fourth Proportional to 927,753.93, 1,280,278.71 and 545,805.27

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Solution

The fourth proportional to 927,753.93, 1,280,278.71 and 545,805.27 is: 753,198.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,753.93 : 1,280,278.71 = 545,805.27 : x
  2. Step 2: Convert to fraction form
    927,753.93/1,280,278.71 = 545,805.27/x
  3. Step 3: Cross multiply
    927,753.93x = 1,280,278.71 × 545,805.27
  4. Step 4: Simplify right side
    927,753.93x = 698,782,866,986.80
  5. Step 5: Solve for x
    x = 698,782,866,986.80/927,753.93
  6. Step 6: Final answer
    x = 753,198.50

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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.