Home / 834,305.76-1,151,338.32-452,331.36

Finding the Fourth Proportional to 834,305.76, 1,151,338.32 and 452,331.36

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Solution

The fourth proportional to 834,305.76, 1,151,338.32 and 452,331.36 is: 624,215.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,305.76 : 1,151,338.32 = 452,331.36 : x
  2. Step 2: Convert to fraction form
    834,305.76/1,151,338.32 = 452,331.36/x
  3. Step 3: Cross multiply
    834,305.76x = 1,151,338.32 × 452,331.36
  4. Step 4: Simplify right side
    834,305.76x = 520,786,428,105.72
  5. Step 5: Solve for x
    x = 520,786,428,105.72/834,305.76
  6. Step 6: Final answer
    x = 624,215.31

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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.