Home / 377,200.30-520,526.03-207,434.42

Finding the Fourth Proportional to 377,200.30, 520,526.03 and 207,434.42

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Solution

The fourth proportional to 377,200.30, 520,526.03 and 207,434.42 is: 286,253.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,200.30 : 520,526.03 = 207,434.42 : x
  2. Step 2: Convert to fraction form
    377,200.30/520,526.03 = 207,434.42/x
  3. Step 3: Cross multiply
    377,200.30x = 520,526.03 × 207,434.42
  4. Step 4: Simplify right side
    377,200.30x = 107,975,014,805.05
  5. Step 5: Solve for x
    x = 107,975,014,805.05/377,200.30
  6. Step 6: Final answer
    x = 286,253.79

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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.