Home / 543,479.44-749,965.08-301,749.52

Finding the Fourth Proportional to 543,479.44, 749,965.08 and 301,749.52

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Solution

The fourth proportional to 543,479.44, 749,965.08 and 301,749.52 is: 416,394.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,479.44 : 749,965.08 = 301,749.52 : x
  2. Step 2: Convert to fraction form
    543,479.44/749,965.08 = 301,749.52/x
  3. Step 3: Cross multiply
    543,479.44x = 749,965.08 × 301,749.52
  4. Step 4: Simplify right side
    543,479.44x = 226,301,602,906.76
  5. Step 5: Solve for x
    x = 226,301,602,906.76/543,479.44
  6. Step 6: Final answer
    x = 416,394.05

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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.