Home / 781,003.32-1,077,770.31-441,471.57

Finding the Fourth Proportional to 781,003.32, 1,077,770.31 and 441,471.57

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Solution

The fourth proportional to 781,003.32, 1,077,770.31 and 441,471.57 is: 609,222.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,003.32 : 1,077,770.31 = 441,471.57 : x
  2. Step 2: Convert to fraction form
    781,003.32/1,077,770.31 = 441,471.57/x
  3. Step 3: Cross multiply
    781,003.32x = 1,077,770.31 × 441,471.57
  4. Step 4: Simplify right side
    781,003.32x = 475,804,945,157.93
  5. Step 5: Solve for x
    x = 475,804,945,157.93/781,003.32
  6. Step 6: Final answer
    x = 609,222.70

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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.