Home / 834,410.39-1,151,508.98-471,888.46

Finding the Fourth Proportional to 834,410.39, 1,151,508.98 and 471,888.46

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Solution

The fourth proportional to 834,410.39, 1,151,508.98 and 471,888.46 is: 651,218.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,410.39 : 1,151,508.98 = 471,888.46 : x
  2. Step 2: Convert to fraction form
    834,410.39/1,151,508.98 = 471,888.46/x
  3. Step 3: Cross multiply
    834,410.39x = 1,151,508.98 × 471,888.46
  4. Step 4: Simplify right side
    834,410.39x = 543,383,799,248.37
  5. Step 5: Solve for x
    x = 543,383,799,248.37/834,410.39
  6. Step 6: Final answer
    x = 651,218.88

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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.