Home / 811,006.66-1,119,141.11-448,402.06

Finding the Fourth Proportional to 811,006.66, 1,119,141.11 and 448,402.06

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Solution

The fourth proportional to 811,006.66, 1,119,141.11 and 448,402.06 is: 618,768.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,006.66 : 1,119,141.11 = 448,402.06 : x
  2. Step 2: Convert to fraction form
    811,006.66/1,119,141.11 = 448,402.06/x
  3. Step 3: Cross multiply
    811,006.66x = 1,119,141.11 × 448,402.06
  4. Step 4: Simplify right side
    811,006.66x = 501,825,179,154.69
  5. Step 5: Solve for x
    x = 501,825,179,154.69/811,006.66
  6. Step 6: Final answer
    x = 618,768.26

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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.