Home / 377,178.36-520,507.20-205,096.40

Finding the Fourth Proportional to 377,178.36, 520,507.20 and 205,096.40

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Solution

The fourth proportional to 377,178.36, 520,507.20 and 205,096.40 is: 283,033.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,178.36 : 520,507.20 = 205,096.40 : x
  2. Step 2: Convert to fraction form
    377,178.36/520,507.20 = 205,096.40/x
  3. Step 3: Cross multiply
    377,178.36x = 520,507.20 × 205,096.40
  4. Step 4: Simplify right side
    377,178.36x = 106,754,152,894.08
  5. Step 5: Solve for x
    x = 106,754,152,894.08/377,178.36
  6. Step 6: Final answer
    x = 283,033.61

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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.