Home / 1,243,015.31-1,864,517.65-344,454.47

Finding the Fourth Proportional to 1,243,015.31, 1,864,517.65 and 344,454.47

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Solution

The fourth proportional to 1,243,015.31, 1,864,517.65 and 344,454.47 is: 516,680.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,015.31 : 1,864,517.65 = 344,454.47 : x
  2. Step 2: Convert to fraction form
    1,243,015.31/1,864,517.65 = 344,454.47/x
  3. Step 3: Cross multiply
    1,243,015.31x = 1,864,517.65 × 344,454.47
  4. Step 4: Simplify right side
    1,243,015.31x = 642,241,435,744.61
  5. Step 5: Solve for x
    x = 642,241,435,744.61/1,243,015.31
  6. Step 6: Final answer
    x = 516,680.23

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1.5x scale

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.