Home / 377,154.36-520,442.10-222,081.12

Finding the Fourth Proportional to 377,154.36, 520,442.10 and 222,081.12

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Solution

The fourth proportional to 377,154.36, 520,442.10 and 222,081.12 is: 306,453.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,154.36 : 520,442.10 = 222,081.12 : x
  2. Step 2: Convert to fraction form
    377,154.36/520,442.10 = 222,081.12/x
  3. Step 3: Cross multiply
    377,154.36x = 520,442.10 × 222,081.12
  4. Step 4: Simplify right side
    377,154.36x = 115,580,364,463.15
  5. Step 5: Solve for x
    x = 115,580,364,463.15/377,154.36
  6. Step 6: Final answer
    x = 306,453.74

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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.