Home / 825,503.24-1,138,775.04-539,190.92

Finding the Fourth Proportional to 825,503.24, 1,138,775.04 and 539,190.92

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Solution

The fourth proportional to 825,503.24, 1,138,775.04 and 539,190.92 is: 743,809.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,503.24 : 1,138,775.04 = 539,190.92 : x
  2. Step 2: Convert to fraction form
    825,503.24/1,138,775.04 = 539,190.92/x
  3. Step 3: Cross multiply
    825,503.24x = 1,138,775.04 × 539,190.92
  4. Step 4: Simplify right side
    825,503.24x = 614,017,161,490.64
  5. Step 5: Solve for x
    x = 614,017,161,490.64/825,503.24
  6. Step 6: Final answer
    x = 743,809.51

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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.