Home / 1,530,432.56-2,112,227.88-886,273.52

Finding the Fourth Proportional to 1,530,432.56, 2,112,227.88 and 886,273.52

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Solution

The fourth proportional to 1,530,432.56, 2,112,227.88 and 886,273.52 is: 1,223,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,432.56 : 2,112,227.88 = 886,273.52 : x
  2. Step 2: Convert to fraction form
    1,530,432.56/2,112,227.88 = 886,273.52/x
  3. Step 3: Cross multiply
    1,530,432.56x = 2,112,227.88 × 886,273.52
  4. Step 4: Simplify right side
    1,530,432.56x = 1,872,011,638,249.74
  5. Step 5: Solve for x
    x = 1,872,011,638,249.74/1,530,432.56
  6. Step 6: Final answer
    x = 1,223,191.20

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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.