Home / 766,410.54-1,057,646.88-444,307.38

Finding the Fourth Proportional to 766,410.54, 1,057,646.88 and 444,307.38

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Solution

The fourth proportional to 766,410.54, 1,057,646.88 and 444,307.38 is: 613,144.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,410.54 : 1,057,646.88 = 444,307.38 : x
  2. Step 2: Convert to fraction form
    766,410.54/1,057,646.88 = 444,307.38/x
  3. Step 3: Cross multiply
    766,410.54x = 1,057,646.88 × 444,307.38
  4. Step 4: Simplify right side
    766,410.54x = 469,920,314,217.97
  5. Step 5: Solve for x
    x = 469,920,314,217.97/766,410.54
  6. Step 6: Final answer
    x = 613,144.38

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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.