Home / 834,410.33-1,151,508.89-471,888.40

Finding the Fourth Proportional to 834,410.33, 1,151,508.89 and 471,888.40

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Solution

The fourth proportional to 834,410.33, 1,151,508.89 and 471,888.40 is: 651,218.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,410.33 : 1,151,508.89 = 471,888.40 : x
  2. Step 2: Convert to fraction form
    834,410.33/1,151,508.89 = 471,888.40/x
  3. Step 3: Cross multiply
    834,410.33x = 1,151,508.89 × 471,888.40
  4. Step 4: Simplify right side
    834,410.33x = 543,383,682,449.66
  5. Step 5: Solve for x
    x = 543,383,682,449.66/834,410.33
  6. Step 6: Final answer
    x = 651,218.79

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Double scale
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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.