Home / 528,045.57-791,806.21-168,169.50

Finding the Fourth Proportional to 528,045.57, 791,806.21 and 168,169.50

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Solution

The fourth proportional to 528,045.57, 791,806.21 and 168,169.50 is: 252,170.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,045.57 : 791,806.21 = 168,169.50 : x
  2. Step 2: Convert to fraction form
    528,045.57/791,806.21 = 168,169.50/x
  3. Step 3: Cross multiply
    528,045.57x = 791,806.21 × 168,169.50
  4. Step 4: Simplify right side
    528,045.57x = 133,157,649,632.72
  5. Step 5: Solve for x
    x = 133,157,649,632.72/528,045.57
  6. Step 6: Final answer
    x = 252,170.76

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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.