Home / 710,214.28-1,065,470.96-230,404.56

Finding the Fourth Proportional to 710,214.28, 1,065,470.96 and 230,404.56

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Solution

The fourth proportional to 710,214.28, 1,065,470.96 and 230,404.56 is: 345,655.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,214.28 : 1,065,470.96 = 230,404.56 : x
  2. Step 2: Convert to fraction form
    710,214.28/1,065,470.96 = 230,404.56/x
  3. Step 3: Cross multiply
    710,214.28x = 1,065,470.96 × 230,404.56
  4. Step 4: Simplify right side
    710,214.28x = 245,489,367,731.58
  5. Step 5: Solve for x
    x = 245,489,367,731.58/710,214.28
  6. Step 6: Final answer
    x = 345,655.35

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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.