Home / 766,170.12-1,057,314.75-444,067.05

Finding the Fourth Proportional to 766,170.12, 1,057,314.75 and 444,067.05

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Solution

The fourth proportional to 766,170.12, 1,057,314.75 and 444,067.05 is: 612,812.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,170.12 : 1,057,314.75 = 444,067.05 : x
  2. Step 2: Convert to fraction form
    766,170.12/1,057,314.75 = 444,067.05/x
  3. Step 3: Cross multiply
    766,170.12x = 1,057,314.75 × 444,067.05
  4. Step 4: Simplify right side
    766,170.12x = 469,518,641,953.99
  5. Step 5: Solve for x
    x = 469,518,641,953.99/766,170.12
  6. Step 6: Final answer
    x = 612,812.52

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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.