Home / 528,286.60-792,138.30-173,117.80

Finding the Fourth Proportional to 528,286.60, 792,138.30 and 173,117.80

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Solution

The fourth proportional to 528,286.60, 792,138.30 and 173,117.80 is: 259,581.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,286.60 : 792,138.30 = 173,117.80 : x
  2. Step 2: Convert to fraction form
    528,286.60/792,138.30 = 173,117.80/x
  3. Step 3: Cross multiply
    528,286.60x = 792,138.30 × 173,117.80
  4. Step 4: Simplify right side
    528,286.60x = 137,133,239,791.74
  5. Step 5: Solve for x
    x = 137,133,239,791.74/528,286.60
  6. Step 6: Final answer
    x = 259,581.14

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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.