Home / 863,319.06-1,192,132.49-541,582.20

Finding the Fourth Proportional to 863,319.06, 1,192,132.49 and 541,582.20

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Solution

The fourth proportional to 863,319.06, 1,192,132.49 and 541,582.20 is: 747,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,319.06 : 1,192,132.49 = 541,582.20 : x
  2. Step 2: Convert to fraction form
    863,319.06/1,192,132.49 = 541,582.20/x
  3. Step 3: Cross multiply
    863,319.06x = 1,192,132.49 × 541,582.20
  4. Step 4: Simplify right side
    863,319.06x = 645,637,733,917.77
  5. Step 5: Solve for x
    x = 645,637,733,917.77/863,319.06
  6. Step 6: Final answer
    x = 747,855.30

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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.