Home / 868,098.80-1,198,391.40-578,192.48

Finding the Fourth Proportional to 868,098.80, 1,198,391.40 and 578,192.48

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Solution

The fourth proportional to 868,098.80, 1,198,391.40 and 578,192.48 is: 798,182.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,098.80 : 1,198,391.40 = 578,192.48 : x
  2. Step 2: Convert to fraction form
    868,098.80/1,198,391.40 = 578,192.48/x
  3. Step 3: Cross multiply
    868,098.80x = 1,198,391.40 × 578,192.48
  4. Step 4: Simplify right side
    868,098.80x = 692,900,895,576.67
  5. Step 5: Solve for x
    x = 692,900,895,576.67/868,098.80
  6. Step 6: Final answer
    x = 798,182.07

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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.