Home / 766,415.54-1,057,653.78-444,312.38

Finding the Fourth Proportional to 766,415.54, 1,057,653.78 and 444,312.38

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Solution

The fourth proportional to 766,415.54, 1,057,653.78 and 444,312.38 is: 613,151.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,415.54 : 1,057,653.78 = 444,312.38 : x
  2. Step 2: Convert to fraction form
    766,415.54/1,057,653.78 = 444,312.38/x
  3. Step 3: Cross multiply
    766,415.54x = 1,057,653.78 × 444,312.38
  4. Step 4: Simplify right side
    766,415.54x = 469,928,668,207.80
  5. Step 5: Solve for x
    x = 469,928,668,207.80/766,415.54
  6. Step 6: Final answer
    x = 613,151.28

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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.