Home / 822,659.15-1,234,016.06-282,910.11

Finding the Fourth Proportional to 822,659.15, 1,234,016.06 and 282,910.11

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Solution

The fourth proportional to 822,659.15, 1,234,016.06 and 282,910.11 is: 424,374.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,659.15 : 1,234,016.06 = 282,910.11 : x
  2. Step 2: Convert to fraction form
    822,659.15/1,234,016.06 = 282,910.11/x
  3. Step 3: Cross multiply
    822,659.15x = 1,234,016.06 × 282,910.11
  4. Step 4: Simplify right side
    822,659.15x = 349,115,617,861.82
  5. Step 5: Solve for x
    x = 349,115,617,861.82/822,659.15
  6. Step 6: Final answer
    x = 424,374.57

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.