Home / 753,339.75-1,039,616.50-409,179.01

Finding the Fourth Proportional to 753,339.75, 1,039,616.50 and 409,179.01

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Solution

The fourth proportional to 753,339.75, 1,039,616.50 and 409,179.01 is: 564,671.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,339.75 : 1,039,616.50 = 409,179.01 : x
  2. Step 2: Convert to fraction form
    753,339.75/1,039,616.50 = 409,179.01/x
  3. Step 3: Cross multiply
    753,339.75x = 1,039,616.50 × 409,179.01
  4. Step 4: Simplify right side
    753,339.75x = 425,389,250,249.67
  5. Step 5: Solve for x
    x = 425,389,250,249.67/753,339.75
  6. Step 6: Final answer
    x = 564,671.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.