Home / 934,089.80-1,288,525.38-612,318.92

Finding the Fourth Proportional to 934,089.80, 1,288,525.38 and 612,318.92

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Solution

The fourth proportional to 934,089.80, 1,288,525.38 and 612,318.92 is: 844,660.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,089.80 : 1,288,525.38 = 612,318.92 : x
  2. Step 2: Convert to fraction form
    934,089.80/1,288,525.38 = 612,318.92/x
  3. Step 3: Cross multiply
    934,089.80x = 1,288,525.38 × 612,318.92
  4. Step 4: Simplify right side
    934,089.80x = 788,988,469,074.19
  5. Step 5: Solve for x
    x = 788,988,469,074.19/934,089.80
  6. Step 6: Final answer
    x = 844,660.19

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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.