Home / 377,200.11-520,525.77-207,434.23

Finding the Fourth Proportional to 377,200.11, 520,525.77 and 207,434.23

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Solution

The fourth proportional to 377,200.11, 520,525.77 and 207,434.23 is: 286,253.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,200.11 : 520,525.77 = 207,434.23 : x
  2. Step 2: Convert to fraction form
    377,200.11/520,525.77 = 207,434.23/x
  3. Step 3: Cross multiply
    377,200.11x = 520,525.77 × 207,434.23
  4. Step 4: Simplify right side
    377,200.11x = 107,974,863,727.28
  5. Step 5: Solve for x
    x = 107,974,863,727.28/377,200.11
  6. Step 6: Final answer
    x = 286,253.53

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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.