Home / 1,084,721.45-1,627,098.57-410,621.76

Finding the Fourth Proportional to 1,084,721.45, 1,627,098.57 and 410,621.76

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Solution

The fourth proportional to 1,084,721.45, 1,627,098.57 and 410,621.76 is: 615,938.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,721.45 : 1,627,098.57 = 410,621.76 : x
  2. Step 2: Convert to fraction form
    1,084,721.45/1,627,098.57 = 410,621.76/x
  3. Step 3: Cross multiply
    1,084,721.45x = 1,627,098.57 × 410,621.76
  4. Step 4: Simplify right side
    1,084,721.45x = 668,122,078,506.88
  5. Step 5: Solve for x
    x = 668,122,078,506.88/1,084,721.45
  6. Step 6: Final answer
    x = 615,938.85

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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.