Home / 1,083,671.65-1,625,015.40-409,528.90

Finding the Fourth Proportional to 1,083,671.65, 1,625,015.40 and 409,528.90

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Solution

The fourth proportional to 1,083,671.65, 1,625,015.40 and 409,528.90 is: 614,107.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,671.65 : 1,625,015.40 = 409,528.90 : x
  2. Step 2: Convert to fraction form
    1,083,671.65/1,625,015.40 = 409,528.90/x
  3. Step 3: Cross multiply
    1,083,671.65x = 1,625,015.40 × 409,528.90
  4. Step 4: Simplify right side
    1,083,671.65x = 665,490,769,245.06
  5. Step 5: Solve for x
    x = 665,490,769,245.06/1,083,671.65
  6. Step 6: Final answer
    x = 614,107.39

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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.