Home / 377,785.10-521,453.36-301,833.02

Finding the Fourth Proportional to 377,785.10, 521,453.36 and 301,833.02

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Solution

The fourth proportional to 377,785.10, 521,453.36 and 301,833.02 is: 416,617.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,785.10 : 521,453.36 = 301,833.02 : x
  2. Step 2: Convert to fraction form
    377,785.10/521,453.36 = 301,833.02/x
  3. Step 3: Cross multiply
    377,785.10x = 521,453.36 × 301,833.02
  4. Step 4: Simplify right side
    377,785.10x = 157,391,844,496.16
  5. Step 5: Solve for x
    x = 157,391,844,496.16/377,785.10
  6. Step 6: Final answer
    x = 416,617.39

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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.