Home / 966,921.80-1,449,000.30-712,214.60

Finding the Fourth Proportional to 966,921.80, 1,449,000.30 and 712,214.60

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Solution

The fourth proportional to 966,921.80, 1,449,000.30 and 712,214.60 is: 1,067,303.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,921.80 : 1,449,000.30 = 712,214.60 : x
  2. Step 2: Convert to fraction form
    966,921.80/1,449,000.30 = 712,214.60/x
  3. Step 3: Cross multiply
    966,921.80x = 1,449,000.30 × 712,214.60
  4. Step 4: Simplify right side
    966,921.80x = 1,031,999,169,064.38
  5. Step 5: Solve for x
    x = 1,031,999,169,064.38/966,921.80
  6. Step 6: Final answer
    x = 1,067,303.65

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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.