Home / 949,125.20-1,423,687.80-317,829.20

Finding the Fourth Proportional to 949,125.20, 1,423,687.80 and 317,829.20

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Solution

The fourth proportional to 949,125.20, 1,423,687.80 and 317,829.20 is: 476,743.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,125.20 : 1,423,687.80 = 317,829.20 : x
  2. Step 2: Convert to fraction form
    949,125.20/1,423,687.80 = 317,829.20/x
  3. Step 3: Cross multiply
    949,125.20x = 1,423,687.80 × 317,829.20
  4. Step 4: Simplify right side
    949,125.20x = 452,489,554,523.76
  5. Step 5: Solve for x
    x = 452,489,554,523.76/949,125.20
  6. Step 6: Final answer
    x = 476,743.80

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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.