Home / 377,202.22-520,528.68-207,436.34

Finding the Fourth Proportional to 377,202.22, 520,528.68 and 207,436.34

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Solution

The fourth proportional to 377,202.22, 520,528.68 and 207,436.34 is: 286,256.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,202.22 : 520,528.68 = 207,436.34 : x
  2. Step 2: Convert to fraction form
    377,202.22/520,528.68 = 207,436.34/x
  3. Step 3: Cross multiply
    377,202.22x = 520,528.68 × 207,436.34
  4. Step 4: Simplify right side
    377,202.22x = 107,976,565,545.55
  5. Step 5: Solve for x
    x = 107,976,565,545.55/377,202.22
  6. Step 6: Final answer
    x = 286,256.44

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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.