Home / 766,125.16-1,057,231.04-417,257.66

Finding the Fourth Proportional to 766,125.16, 1,057,231.04 and 417,257.66

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Solution

The fourth proportional to 766,125.16, 1,057,231.04 and 417,257.66 is: 575,803.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,125.16 : 1,057,231.04 = 417,257.66 : x
  2. Step 2: Convert to fraction form
    766,125.16/1,057,231.04 = 417,257.66/x
  3. Step 3: Cross multiply
    766,125.16x = 1,057,231.04 × 417,257.66
  4. Step 4: Simplify right side
    766,125.16x = 441,137,749,829.77
  5. Step 5: Solve for x
    x = 441,137,749,829.77/766,125.16
  6. Step 6: Final answer
    x = 575,803.76

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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.