Home / 811,081.16-1,119,276.18-448,517.96

Finding the Fourth Proportional to 811,081.16, 1,119,276.18 and 448,517.96

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Solution

The fourth proportional to 811,081.16, 1,119,276.18 and 448,517.96 is: 618,946.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,081.16 : 1,119,276.18 = 448,517.96 : x
  2. Step 2: Convert to fraction form
    811,081.16/1,119,276.18 = 448,517.96/x
  3. Step 3: Cross multiply
    811,081.16x = 1,119,276.18 × 448,517.96
  4. Step 4: Simplify right side
    811,081.16x = 502,015,468,930.19
  5. Step 5: Solve for x
    x = 502,015,468,930.19/811,081.16
  6. Step 6: Final answer
    x = 618,946.04

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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.