Home / 551,221.20-826,637.40-196,246.80

Finding the Fourth Proportional to 551,221.20, 826,637.40 and 196,246.80

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Solution

The fourth proportional to 551,221.20, 826,637.40 and 196,246.80 is: 294,300.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,221.20 : 826,637.40 = 196,246.80 : x
  2. Step 2: Convert to fraction form
    551,221.20/826,637.40 = 196,246.80/x
  3. Step 3: Cross multiply
    551,221.20x = 826,637.40 × 196,246.80
  4. Step 4: Simplify right side
    551,221.20x = 162,224,944,510.32
  5. Step 5: Solve for x
    x = 162,224,944,510.32/551,221.20
  6. Step 6: Final answer
    x = 294,300.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.