Home / 808,022.85-1,115,079.11-445,459.69

Finding the Fourth Proportional to 808,022.85, 1,115,079.11 and 445,459.69

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Solution

The fourth proportional to 808,022.85, 1,115,079.11 and 445,459.69 is: 614,738.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,022.85 : 1,115,079.11 = 445,459.69 : x
  2. Step 2: Convert to fraction form
    808,022.85/1,115,079.11 = 445,459.69/x
  3. Step 3: Cross multiply
    808,022.85x = 1,115,079.11 × 445,459.69
  4. Step 4: Simplify right side
    808,022.85x = 496,722,794,666.08
  5. Step 5: Solve for x
    x = 496,722,794,666.08/808,022.85
  6. Step 6: Final answer
    x = 614,738.55

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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.