Home / 345,779.37-518,417.09-233,179.85

Finding the Fourth Proportional to 345,779.37, 518,417.09 and 233,179.85

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Solution

The fourth proportional to 345,779.37, 518,417.09 and 233,179.85 is: 349,599.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,779.37 : 518,417.09 = 233,179.85 : x
  2. Step 2: Convert to fraction form
    345,779.37/518,417.09 = 233,179.85/x
  3. Step 3: Cross multiply
    345,779.37x = 518,417.09 × 233,179.85
  4. Step 4: Simplify right side
    345,779.37x = 120,884,419,283.64
  5. Step 5: Solve for x
    x = 120,884,419,283.64/345,779.37
  6. Step 6: Final answer
    x = 349,599.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.