Home / 1,244,947.81-1,867,487.93-392,086.15

Finding the Fourth Proportional to 1,244,947.81, 1,867,487.93 and 392,086.15

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Solution

The fourth proportional to 1,244,947.81, 1,867,487.93 and 392,086.15 is: 588,150.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,947.81 : 1,867,487.93 = 392,086.15 : x
  2. Step 2: Convert to fraction form
    1,244,947.81/1,867,487.93 = 392,086.15/x
  3. Step 3: Cross multiply
    1,244,947.81x = 1,867,487.93 × 392,086.15
  4. Step 4: Simplify right side
    1,244,947.81x = 732,216,149,561.11
  5. Step 5: Solve for x
    x = 732,216,149,561.11/1,244,947.81
  6. Step 6: Final answer
    x = 588,150.08

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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.