Home / 379,600.56-523,828.22-209,823.75

Finding the Fourth Proportional to 379,600.56, 523,828.22 and 209,823.75

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Solution

The fourth proportional to 379,600.56, 523,828.22 and 209,823.75 is: 289,545.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,600.56 : 523,828.22 = 209,823.75 : x
  2. Step 2: Convert to fraction form
    379,600.56/523,828.22 = 209,823.75/x
  3. Step 3: Cross multiply
    379,600.56x = 523,828.22 × 209,823.75
  4. Step 4: Simplify right side
    379,600.56x = 109,911,600,427.11
  5. Step 5: Solve for x
    x = 109,911,600,427.11/379,600.56
  6. Step 6: Final answer
    x = 289,545.41

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1.5x scale

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.