Home / 827,257.20-1,241,807.40-454,009.20

Finding the Fourth Proportional to 827,257.20, 1,241,807.40 and 454,009.20

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Solution

The fourth proportional to 827,257.20, 1,241,807.40 and 454,009.20 is: 681,519.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,257.20 : 1,241,807.40 = 454,009.20 : x
  2. Step 2: Convert to fraction form
    827,257.20/1,241,807.40 = 454,009.20/x
  3. Step 3: Cross multiply
    827,257.20x = 1,241,807.40 × 454,009.20
  4. Step 4: Simplify right side
    827,257.20x = 563,791,984,228.08
  5. Step 5: Solve for x
    x = 563,791,984,228.08/827,257.20
  6. Step 6: Final answer
    x = 681,519.59

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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.