Home / 605,864.20-908,796.30-185,139.40

Finding the Fourth Proportional to 605,864.20, 908,796.30 and 185,139.40

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Solution

The fourth proportional to 605,864.20, 908,796.30 and 185,139.40 is: 277,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,864.20 : 908,796.30 = 185,139.40 : x
  2. Step 2: Convert to fraction form
    605,864.20/908,796.30 = 185,139.40/x
  3. Step 3: Cross multiply
    605,864.20x = 908,796.30 × 185,139.40
  4. Step 4: Simplify right side
    605,864.20x = 168,254,001,704.22
  5. Step 5: Solve for x
    x = 168,254,001,704.22/605,864.20
  6. Step 6: Final answer
    x = 277,709.10

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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.