Home / 609,216.24-913,922.28-209,758.80

Finding the Fourth Proportional to 609,216.24, 913,922.28 and 209,758.80

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Solution

The fourth proportional to 609,216.24, 913,922.28 and 209,758.80 is: 314,671.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,216.24 : 913,922.28 = 209,758.80 : x
  2. Step 2: Convert to fraction form
    609,216.24/913,922.28 = 209,758.80/x
  3. Step 3: Cross multiply
    609,216.24x = 913,922.28 × 209,758.80
  4. Step 4: Simplify right side
    609,216.24x = 191,703,240,746.06
  5. Step 5: Solve for x
    x = 191,703,240,746.06/609,216.24
  6. Step 6: Final answer
    x = 314,671.91

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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.