Home / 863,238.06-1,192,020.72-541,501.20

Finding the Fourth Proportional to 863,238.06, 1,192,020.72 and 541,501.20

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Solution

The fourth proportional to 863,238.06, 1,192,020.72 and 541,501.20 is: 747,743.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,238.06 : 1,192,020.72 = 541,501.20 : x
  2. Step 2: Convert to fraction form
    863,238.06/1,192,020.72 = 541,501.20/x
  3. Step 3: Cross multiply
    863,238.06x = 1,192,020.72 × 541,501.20
  4. Step 4: Simplify right side
    863,238.06x = 645,480,650,304.86
  5. Step 5: Solve for x
    x = 645,480,650,304.86/863,238.06
  6. Step 6: Final answer
    x = 747,743.50

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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.