Home / 578,170.39-867,250.72-451,916.83

Finding the Fourth Proportional to 578,170.39, 867,250.72 and 451,916.83

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Solution

The fourth proportional to 578,170.39, 867,250.72 and 451,916.83 is: 677,871.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,170.39 : 867,250.72 = 451,916.83 : x
  2. Step 2: Convert to fraction form
    578,170.39/867,250.72 = 451,916.83/x
  3. Step 3: Cross multiply
    578,170.39x = 867,250.72 × 451,916.83
  4. Step 4: Simplify right side
    578,170.39x = 391,925,196,197.62
  5. Step 5: Solve for x
    x = 391,925,196,197.62/578,170.39
  6. Step 6: Final answer
    x = 677,871.44

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1.5x scale

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.