Home / 766,401.93-1,057,634.96-444,298.75

Finding the Fourth Proportional to 766,401.93, 1,057,634.96 and 444,298.75

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Solution

The fourth proportional to 766,401.93, 1,057,634.96 and 444,298.75 is: 613,132.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,401.93 : 1,057,634.96 = 444,298.75 : x
  2. Step 2: Convert to fraction form
    766,401.93/1,057,634.96 = 444,298.75/x
  3. Step 3: Cross multiply
    766,401.93x = 1,057,634.96 × 444,298.75
  4. Step 4: Simplify right side
    766,401.93x = 469,905,885,818.72
  5. Step 5: Solve for x
    x = 469,905,885,818.72/766,401.93
  6. Step 6: Final answer
    x = 613,132.44

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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.