Home / 377,535.75-520,999.47-207,766.23

Finding the Fourth Proportional to 377,535.75, 520,999.47 and 207,766.23

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Solution

The fourth proportional to 377,535.75, 520,999.47 and 207,766.23 is: 286,717.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,535.75 : 520,999.47 = 207,766.23 : x
  2. Step 2: Convert to fraction form
    377,535.75/520,999.47 = 207,766.23/x
  3. Step 3: Cross multiply
    377,535.75x = 520,999.47 × 207,766.23
  4. Step 4: Simplify right side
    377,535.75x = 108,246,095,713.90
  5. Step 5: Solve for x
    x = 108,246,095,713.90/377,535.75
  6. Step 6: Final answer
    x = 286,717.47

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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.