Home / 898,401.20-1,347,601.80-579,536.60

Finding the Fourth Proportional to 898,401.20, 1,347,601.80 and 579,536.60

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Solution

The fourth proportional to 898,401.20, 1,347,601.80 and 579,536.60 is: 869,304.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,401.20 : 1,347,601.80 = 579,536.60 : x
  2. Step 2: Convert to fraction form
    898,401.20/1,347,601.80 = 579,536.60/x
  3. Step 3: Cross multiply
    898,401.20x = 1,347,601.80 × 579,536.60
  4. Step 4: Simplify right side
    898,401.20x = 780,984,565,325.88
  5. Step 5: Solve for x
    x = 780,984,565,325.88/898,401.20
  6. Step 6: Final answer
    x = 869,304.90

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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.