Home / 863,053.92-1,190,458.62-572,659.20

Finding the Fourth Proportional to 863,053.92, 1,190,458.62 and 572,659.20

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Solution

The fourth proportional to 863,053.92, 1,190,458.62 and 572,659.20 is: 789,900.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,053.92 : 1,190,458.62 = 572,659.20 : x
  2. Step 2: Convert to fraction form
    863,053.92/1,190,458.62 = 572,659.20/x
  3. Step 3: Cross multiply
    863,053.92x = 1,190,458.62 × 572,659.20
  4. Step 4: Simplify right side
    863,053.92x = 681,727,080,962.30
  5. Step 5: Solve for x
    x = 681,727,080,962.30/863,053.92
  6. Step 6: Final answer
    x = 789,900.91

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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.