Home / 1,447,215.20-2,170,926.44-382,246.64

Finding the Fourth Proportional to 1,447,215.20, 2,170,926.44 and 382,246.64

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Solution

The fourth proportional to 1,447,215.20, 2,170,926.44 and 382,246.64 is: 573,397.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,215.20 : 2,170,926.44 = 382,246.64 : x
  2. Step 2: Convert to fraction form
    1,447,215.20/2,170,926.44 = 382,246.64/x
  3. Step 3: Cross multiply
    1,447,215.20x = 2,170,926.44 × 382,246.64
  4. Step 4: Simplify right side
    1,447,215.20x = 829,829,337,377.16
  5. Step 5: Solve for x
    x = 829,829,337,377.16/1,447,215.20
  6. Step 6: Final answer
    x = 573,397.33

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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.