Home / 811,096.38-1,119,320.27-448,544.64

Finding the Fourth Proportional to 811,096.38, 1,119,320.27 and 448,544.64

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Solution

The fourth proportional to 811,096.38, 1,119,320.27 and 448,544.64 is: 618,995.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,096.38 : 1,119,320.27 = 448,544.64 : x
  2. Step 2: Convert to fraction form
    811,096.38/1,119,320.27 = 448,544.64/x
  3. Step 3: Cross multiply
    811,096.38x = 1,119,320.27 × 448,544.64
  4. Step 4: Simplify right side
    811,096.38x = 502,065,105,309.13
  5. Step 5: Solve for x
    x = 502,065,105,309.13/811,096.38
  6. Step 6: Final answer
    x = 618,995.62

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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.