Home / 467,821.25-645,592.87-252,960.80

Finding the Fourth Proportional to 467,821.25, 645,592.87 and 252,960.80

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Solution

The fourth proportional to 467,821.25, 645,592.87 and 252,960.80 is: 349,085.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,821.25 : 645,592.87 = 252,960.80 : x
  2. Step 2: Convert to fraction form
    467,821.25/645,592.87 = 252,960.80/x
  3. Step 3: Cross multiply
    467,821.25x = 645,592.87 × 252,960.80
  4. Step 4: Simplify right side
    467,821.25x = 163,309,688,869.50
  5. Step 5: Solve for x
    x = 163,309,688,869.50/467,821.25
  6. Step 6: Final answer
    x = 349,085.66

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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.