Home / 857,899.12-1,183,902.18-475,925.91

Finding the Fourth Proportional to 857,899.12, 1,183,902.18 and 475,925.91

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Solution

The fourth proportional to 857,899.12, 1,183,902.18 and 475,925.91 is: 656,778.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,899.12 : 1,183,902.18 = 475,925.91 : x
  2. Step 2: Convert to fraction form
    857,899.12/1,183,902.18 = 475,925.91/x
  3. Step 3: Cross multiply
    857,899.12x = 1,183,902.18 × 475,925.91
  4. Step 4: Simplify right side
    857,899.12x = 563,449,722,367.48
  5. Step 5: Solve for x
    x = 563,449,722,367.48/857,899.12
  6. Step 6: Final answer
    x = 656,778.53

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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.