Home / 377,200.44-520,526.22-207,434.57

Finding the Fourth Proportional to 377,200.44, 520,526.22 and 207,434.57

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Solution

The fourth proportional to 377,200.44, 520,526.22 and 207,434.57 is: 286,253.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,200.44 : 520,526.22 = 207,434.57 : x
  2. Step 2: Convert to fraction form
    377,200.44/520,526.22 = 207,434.57/x
  3. Step 3: Cross multiply
    377,200.44x = 520,526.22 × 207,434.57
  4. Step 4: Simplify right side
    377,200.44x = 107,975,130,016.79
  5. Step 5: Solve for x
    x = 107,975,130,016.79/377,200.44
  6. Step 6: Final answer
    x = 286,253.99

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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.