Home / 1,384,339.80-2,077,676.10-627,346.20

Finding the Fourth Proportional to 1,384,339.80, 2,077,676.10 and 627,346.20

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Solution

The fourth proportional to 1,384,339.80, 2,077,676.10 and 627,346.20 is: 941,547.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,339.80 : 2,077,676.10 = 627,346.20 : x
  2. Step 2: Convert to fraction form
    1,384,339.80/2,077,676.10 = 627,346.20/x
  3. Step 3: Cross multiply
    1,384,339.80x = 2,077,676.10 × 627,346.20
  4. Step 4: Simplify right side
    1,384,339.80x = 1,303,422,206,165.82
  5. Step 5: Solve for x
    x = 1,303,422,206,165.82/1,384,339.80
  6. Step 6: Final answer
    x = 941,547.88

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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.