Home / 898,266.30-1,347,399.45-579,401.70

Finding the Fourth Proportional to 898,266.30, 1,347,399.45 and 579,401.70

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Solution

The fourth proportional to 898,266.30, 1,347,399.45 and 579,401.70 is: 869,102.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,266.30 : 1,347,399.45 = 579,401.70 : x
  2. Step 2: Convert to fraction form
    898,266.30/1,347,399.45 = 579,401.70/x
  3. Step 3: Cross multiply
    898,266.30x = 1,347,399.45 × 579,401.70
  4. Step 4: Simplify right side
    898,266.30x = 780,685,531,909.07
  5. Step 5: Solve for x
    x = 780,685,531,909.07/898,266.30
  6. Step 6: Final answer
    x = 869,102.55

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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.