Home / 808,069.32-1,115,115.16-445,484.80

Finding the Fourth Proportional to 808,069.32, 1,115,115.16 and 445,484.80

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Solution

The fourth proportional to 808,069.32, 1,115,115.16 and 445,484.80 is: 614,757.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,069.32 : 1,115,115.16 = 445,484.80 : x
  2. Step 2: Convert to fraction form
    808,069.32/1,115,115.16 = 445,484.80/x
  3. Step 3: Cross multiply
    808,069.32x = 1,115,115.16 × 445,484.80
  4. Step 4: Simplify right side
    808,069.32x = 496,766,854,029.57
  5. Step 5: Solve for x
    x = 496,766,854,029.57/808,069.32
  6. Step 6: Final answer
    x = 614,757.72

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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.