Home / 766,207.86-1,057,366.80-444,104.76

Finding the Fourth Proportional to 766,207.86, 1,057,366.80 and 444,104.76

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Solution

The fourth proportional to 766,207.86, 1,057,366.80 and 444,104.76 is: 612,864.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,207.86 : 1,057,366.80 = 444,104.76 : x
  2. Step 2: Convert to fraction form
    766,207.86/1,057,366.80 = 444,104.76/x
  3. Step 3: Cross multiply
    766,207.86x = 1,057,366.80 × 444,104.76
  4. Step 4: Simplify right side
    766,207.86x = 469,581,628,945.97
  5. Step 5: Solve for x
    x = 469,581,628,945.97/766,207.86
  6. Step 6: Final answer
    x = 612,864.54

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.