Home / 808,359.04-1,115,519.95-445,816.41

Finding the Fourth Proportional to 808,359.04, 1,115,519.95 and 445,816.41

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Solution

The fourth proportional to 808,359.04, 1,115,519.95 and 445,816.41 is: 615,218.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,359.04 : 1,115,519.95 = 445,816.41 : x
  2. Step 2: Convert to fraction form
    808,359.04/1,115,519.95 = 445,816.41/x
  3. Step 3: Cross multiply
    808,359.04x = 1,115,519.95 × 445,816.41
  4. Step 4: Simplify right side
    808,359.04x = 497,317,099,392.38
  5. Step 5: Solve for x
    x = 497,317,099,392.38/808,359.04
  6. Step 6: Final answer
    x = 615,218.08

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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.