Home / 766,486.83-1,057,752.83-417,625.59

Finding the Fourth Proportional to 766,486.83, 1,057,752.83 and 417,625.59

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Solution

The fourth proportional to 766,486.83, 1,057,752.83 and 417,625.59 is: 576,323.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,486.83 : 1,057,752.83 = 417,625.59 : x
  2. Step 2: Convert to fraction form
    766,486.83/1,057,752.83 = 417,625.59/x
  3. Step 3: Cross multiply
    766,486.83x = 1,057,752.83 × 417,625.59
  4. Step 4: Simplify right side
    766,486.83x = 441,744,649,702.92
  5. Step 5: Solve for x
    x = 441,744,649,702.92/766,486.83
  6. Step 6: Final answer
    x = 576,323.86

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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.