Home / 1,146,616.20-1,719,486.90-347,632.20

Finding the Fourth Proportional to 1,146,616.20, 1,719,486.90 and 347,632.20

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Solution

The fourth proportional to 1,146,616.20, 1,719,486.90 and 347,632.20 is: 521,315.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,616.20 : 1,719,486.90 = 347,632.20 : x
  2. Step 2: Convert to fraction form
    1,146,616.20/1,719,486.90 = 347,632.20/x
  3. Step 3: Cross multiply
    1,146,616.20x = 1,719,486.90 × 347,632.20
  4. Step 4: Simplify right side
    1,146,616.20x = 597,749,013,918.18
  5. Step 5: Solve for x
    x = 597,749,013,918.18/1,146,616.20
  6. Step 6: Final answer
    x = 521,315.69

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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.