Home / 403,734.15-556,694.04-258,346.02

Finding the Fourth Proportional to 403,734.15, 556,694.04 and 258,346.02

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Solution

The fourth proportional to 403,734.15, 556,694.04 and 258,346.02 is: 356,223.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,734.15 : 556,694.04 = 258,346.02 : x
  2. Step 2: Convert to fraction form
    403,734.15/556,694.04 = 258,346.02/x
  3. Step 3: Cross multiply
    403,734.15x = 556,694.04 × 258,346.02
  4. Step 4: Simplify right side
    403,734.15x = 143,819,689,591.72
  5. Step 5: Solve for x
    x = 143,819,689,591.72/403,734.15
  6. Step 6: Final answer
    x = 356,223.74

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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.