Home / 766,406.04-1,057,640.67-444,302.88

Finding the Fourth Proportional to 766,406.04, 1,057,640.67 and 444,302.88

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Solution

The fourth proportional to 766,406.04, 1,057,640.67 and 444,302.88 is: 613,138.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,406.04 : 1,057,640.67 = 444,302.88 : x
  2. Step 2: Convert to fraction form
    766,406.04/1,057,640.67 = 444,302.88/x
  3. Step 3: Cross multiply
    766,406.04x = 1,057,640.67 × 444,302.88
  4. Step 4: Simplify right side
    766,406.04x = 469,912,795,686.13
  5. Step 5: Solve for x
    x = 469,912,795,686.13/766,406.04
  6. Step 6: Final answer
    x = 613,138.17

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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.