Home / 808,367.61-1,115,555.18-464,199.42

Finding the Fourth Proportional to 808,367.61, 1,115,555.18 and 464,199.42

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Solution

The fourth proportional to 808,367.61, 1,115,555.18 and 464,199.42 is: 640,599.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,367.61 : 1,115,555.18 = 464,199.42 : x
  2. Step 2: Convert to fraction form
    808,367.61/1,115,555.18 = 464,199.42/x
  3. Step 3: Cross multiply
    808,367.61x = 1,115,555.18 × 464,199.42
  4. Step 4: Simplify right side
    808,367.61x = 517,840,067,534.00
  5. Step 5: Solve for x
    x = 517,840,067,534.00/808,367.61
  6. Step 6: Final answer
    x = 640,599.72

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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.