Home / 996,918.40-1,495,596.30-491,721.40

Finding the Fourth Proportional to 996,918.40, 1,495,596.30 and 491,721.40

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Solution

The fourth proportional to 996,918.40, 1,495,596.30 and 491,721.40 is: 737,689.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,918.40 : 1,495,596.30 = 491,721.40 : x
  2. Step 2: Convert to fraction form
    996,918.40/1,495,596.30 = 491,721.40/x
  3. Step 3: Cross multiply
    996,918.40x = 1,495,596.30 × 491,721.40
  4. Step 4: Simplify right side
    996,918.40x = 735,416,706,470.82
  5. Step 5: Solve for x
    x = 735,416,706,470.82/996,918.40
  6. Step 6: Final answer
    x = 737,689.97

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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.