Home / 1,419,007.65-1,958,276.25-807,144.71

Finding the Fourth Proportional to 1,419,007.65, 1,958,276.25 and 807,144.71

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Solution

The fourth proportional to 1,419,007.65, 1,958,276.25 and 807,144.71 is: 1,113,885.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,007.65 : 1,958,276.25 = 807,144.71 : x
  2. Step 2: Convert to fraction form
    1,419,007.65/1,958,276.25 = 807,144.71/x
  3. Step 3: Cross multiply
    1,419,007.65x = 1,958,276.25 × 807,144.71
  4. Step 4: Simplify right side
    1,419,007.65x = 1,580,612,306,114.76
  5. Step 5: Solve for x
    x = 1,580,612,306,114.76/1,419,007.65
  6. Step 6: Final answer
    x = 1,113,885.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.