Home / 1,244,666.40-1,867,921.20-497,248.80

Finding the Fourth Proportional to 1,244,666.40, 1,867,921.20 and 497,248.80

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Solution

The fourth proportional to 1,244,666.40, 1,867,921.20 and 497,248.80 is: 746,241.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,666.40 : 1,867,921.20 = 497,248.80 : x
  2. Step 2: Convert to fraction form
    1,244,666.40/1,867,921.20 = 497,248.80/x
  3. Step 3: Cross multiply
    1,244,666.40x = 1,867,921.20 × 497,248.80
  4. Step 4: Simplify right side
    1,244,666.40x = 928,821,575,194.56
  5. Step 5: Solve for x
    x = 928,821,575,194.56/1,244,666.40
  6. Step 6: Final answer
    x = 746,241.38

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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.