Home / 834,222.32-1,151,235.86-490,072.76

Finding the Fourth Proportional to 834,222.32, 1,151,235.86 and 490,072.76

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Solution

The fourth proportional to 834,222.32, 1,151,235.86 and 490,072.76 is: 676,305.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,222.32 : 1,151,235.86 = 490,072.76 : x
  2. Step 2: Convert to fraction form
    834,222.32/1,151,235.86 = 490,072.76/x
  3. Step 3: Cross multiply
    834,222.32x = 1,151,235.86 × 490,072.76
  4. Step 4: Simplify right side
    834,222.32x = 564,189,335,321.17
  5. Step 5: Solve for x
    x = 564,189,335,321.17/834,222.32
  6. Step 6: Final answer
    x = 676,305.73

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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.