Home / 910,948.05-1,257,633.03-605,438.73

Finding the Fourth Proportional to 910,948.05, 1,257,633.03 and 605,438.73

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Solution

The fourth proportional to 910,948.05, 1,257,633.03 and 605,438.73 is: 835,854.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,948.05 : 1,257,633.03 = 605,438.73 : x
  2. Step 2: Convert to fraction form
    910,948.05/1,257,633.03 = 605,438.73/x
  3. Step 3: Cross multiply
    910,948.05x = 1,257,633.03 × 605,438.73
  4. Step 4: Simplify right side
    910,948.05x = 761,419,744,489.25
  5. Step 5: Solve for x
    x = 761,419,744,489.25/910,948.05
  6. Step 6: Final answer
    x = 835,854.19

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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.