Home / 532,458.30-734,789.59-290,741.03

Finding the Fourth Proportional to 532,458.30, 734,789.59 and 290,741.03

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Solution

The fourth proportional to 532,458.30, 734,789.59 and 290,741.03 is: 401,221.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,458.30 : 734,789.59 = 290,741.03 : x
  2. Step 2: Convert to fraction form
    532,458.30/734,789.59 = 290,741.03/x
  3. Step 3: Cross multiply
    532,458.30x = 734,789.59 × 290,741.03
  4. Step 4: Simplify right side
    532,458.30x = 213,633,483,340.00
  5. Step 5: Solve for x
    x = 213,633,483,340.00/532,458.30
  6. Step 6: Final answer
    x = 401,221.06

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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.