Home / 876,458.56-1,209,512.82-474,050.56

Finding the Fourth Proportional to 876,458.56, 1,209,512.82 and 474,050.56

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Solution

The fourth proportional to 876,458.56, 1,209,512.82 and 474,050.56 is: 654,189.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,458.56 : 1,209,512.82 = 474,050.56 : x
  2. Step 2: Convert to fraction form
    876,458.56/1,209,512.82 = 474,050.56/x
  3. Step 3: Cross multiply
    876,458.56x = 1,209,512.82 × 474,050.56
  4. Step 4: Simplify right side
    876,458.56x = 573,370,229,648.18
  5. Step 5: Solve for x
    x = 573,370,229,648.18/876,458.56
  6. Step 6: Final answer
    x = 654,189.78

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1.5x scale

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.