Home / 554,749.15-765,551.24-300,098.11

Finding the Fourth Proportional to 554,749.15, 765,551.24 and 300,098.11

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Solution

The fourth proportional to 554,749.15, 765,551.24 and 300,098.11 is: 414,133.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,749.15 : 765,551.24 = 300,098.11 : x
  2. Step 2: Convert to fraction form
    554,749.15/765,551.24 = 300,098.11/x
  3. Step 3: Cross multiply
    554,749.15x = 765,551.24 × 300,098.11
  4. Step 4: Simplify right side
    554,749.15x = 229,740,478,731.67
  5. Step 5: Solve for x
    x = 229,740,478,731.67/554,749.15
  6. Step 6: Final answer
    x = 414,133.99

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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.