Home / 548,045.12-822,240.48-193,044.80

Finding the Fourth Proportional to 548,045.12, 822,240.48 and 193,044.80

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Solution

The fourth proportional to 548,045.12, 822,240.48 and 193,044.80 is: 289,628.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,045.12 : 822,240.48 = 193,044.80 : x
  2. Step 2: Convert to fraction form
    548,045.12/822,240.48 = 193,044.80/x
  3. Step 3: Cross multiply
    548,045.12x = 822,240.48 × 193,044.80
  4. Step 4: Simplify right side
    548,045.12x = 158,729,249,013.50
  5. Step 5: Solve for x
    x = 158,729,249,013.50/548,045.12
  6. Step 6: Final answer
    x = 289,628.07

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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.