Home / 726,273.80-1,087,260.30-540,110.60

Finding the Fourth Proportional to 726,273.80, 1,087,260.30 and 540,110.60

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Solution

The fourth proportional to 726,273.80, 1,087,260.30 and 540,110.60 is: 808,566.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,273.80 : 1,087,260.30 = 540,110.60 : x
  2. Step 2: Convert to fraction form
    726,273.80/1,087,260.30 = 540,110.60/x
  3. Step 3: Cross multiply
    726,273.80x = 1,087,260.30 × 540,110.60
  4. Step 4: Simplify right side
    726,273.80x = 587,240,812,989.18
  5. Step 5: Solve for x
    x = 587,240,812,989.18/726,273.80
  6. Step 6: Final answer
    x = 808,566.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.