Home / 896,125.20-1,344,187.80-644,182.80

Finding the Fourth Proportional to 896,125.20, 1,344,187.80 and 644,182.80

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Solution

The fourth proportional to 896,125.20, 1,344,187.80 and 644,182.80 is: 966,274.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,125.20 : 1,344,187.80 = 644,182.80 : x
  2. Step 2: Convert to fraction form
    896,125.20/1,344,187.80 = 644,182.80/x
  3. Step 3: Cross multiply
    896,125.20x = 1,344,187.80 × 644,182.80
  4. Step 4: Simplify right side
    896,125.20x = 865,902,660,729.84
  5. Step 5: Solve for x
    x = 865,902,660,729.84/896,125.20
  6. Step 6: Final answer
    x = 966,274.20

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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.