Home / 548,985.76-823,545.06-193,927.12

Finding the Fourth Proportional to 548,985.76, 823,545.06 and 193,927.12

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Solution

The fourth proportional to 548,985.76, 823,545.06 and 193,927.12 is: 290,914.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,985.76 : 823,545.06 = 193,927.12 : x
  2. Step 2: Convert to fraction form
    548,985.76/823,545.06 = 193,927.12/x
  3. Step 3: Cross multiply
    548,985.76x = 823,545.06 × 193,927.12
  4. Step 4: Simplify right side
    548,985.76x = 159,707,721,676.03
  5. Step 5: Solve for x
    x = 159,707,721,676.03/548,985.76
  6. Step 6: Final answer
    x = 290,914.14

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Double scale
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1.5x scale

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.