Home / 811,110.30-1,119,273.03-448,538.46

Finding the Fourth Proportional to 811,110.30, 1,119,273.03 and 448,538.46

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Solution

The fourth proportional to 811,110.30, 1,119,273.03 and 448,538.46 is: 618,950.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,110.30 : 1,119,273.03 = 448,538.46 : x
  2. Step 2: Convert to fraction form
    811,110.30/1,119,273.03 = 448,538.46/x
  3. Step 3: Cross multiply
    811,110.30x = 1,119,273.03 × 448,538.46
  4. Step 4: Simplify right side
    811,110.30x = 502,037,001,195.73
  5. Step 5: Solve for x
    x = 502,037,001,195.73/811,110.30
  6. Step 6: Final answer
    x = 618,950.35

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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.