Home / 1,547,937.42-2,321,919.10-426,067.98

Finding the Fourth Proportional to 1,547,937.42, 2,321,919.10 and 426,067.98

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Solution

The fourth proportional to 1,547,937.42, 2,321,919.10 and 426,067.98 is: 639,105.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,937.42 : 2,321,919.10 = 426,067.98 : x
  2. Step 2: Convert to fraction form
    1,547,937.42/2,321,919.10 = 426,067.98/x
  3. Step 3: Cross multiply
    1,547,937.42x = 2,321,919.10 × 426,067.98
  4. Step 4: Simplify right side
    1,547,937.42x = 989,295,380,660.42
  5. Step 5: Solve for x
    x = 989,295,380,660.42/1,547,937.42
  6. Step 6: Final answer
    x = 639,105.54

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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.