Home / 1,435,921.25-2,154,138.05-476,434.43

Finding the Fourth Proportional to 1,435,921.25, 2,154,138.05 and 476,434.43

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Solution

The fourth proportional to 1,435,921.25, 2,154,138.05 and 476,434.43 is: 714,736.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,921.25 : 2,154,138.05 = 476,434.43 : x
  2. Step 2: Convert to fraction form
    1,435,921.25/2,154,138.05 = 476,434.43/x
  3. Step 3: Cross multiply
    1,435,921.25x = 2,154,138.05 × 476,434.43
  4. Step 4: Simplify right side
    1,435,921.25x = 1,026,305,536,996.23
  5. Step 5: Solve for x
    x = 1,026,305,536,996.23/1,435,921.25
  6. Step 6: Final answer
    x = 714,736.64

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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.