Home / 532,425.81-734,749.16-290,710.47

Finding the Fourth Proportional to 532,425.81, 734,749.16 and 290,710.47

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Solution

The fourth proportional to 532,425.81, 734,749.16 and 290,710.47 is: 401,181.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,425.81 : 734,749.16 = 290,710.47 : x
  2. Step 2: Convert to fraction form
    532,425.81/734,749.16 = 290,710.47/x
  3. Step 3: Cross multiply
    532,425.81x = 734,749.16 × 290,710.47
  4. Step 4: Simplify right side
    532,425.81x = 213,599,272,182.15
  5. Step 5: Solve for x
    x = 213,599,272,182.15/532,425.81
  6. Step 6: Final answer
    x = 401,181.29

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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.