Home / 1,670,943.78-2,506,464.27-408,771

Finding the Fourth Proportional to 1,670,943.78, 2,506,464.27 and 408,771

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Solution

The fourth proportional to 1,670,943.78, 2,506,464.27 and 408,771 is: 613,168.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,943.78 : 2,506,464.27 = 408,771 : x
  2. Step 2: Convert to fraction form
    1,670,943.78/2,506,464.27 = 408,771/x
  3. Step 3: Cross multiply
    1,670,943.78x = 2,506,464.27 × 408,771
  4. Step 4: Simplify right side
    1,670,943.78x = 1,024,569,906,112.17
  5. Step 5: Solve for x
    x = 1,024,569,906,112.17/1,670,943.78
  6. Step 6: Final answer
    x = 613,168.39

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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.