Home / 403,432.07-605,242.87-226,061.51

Finding the Fourth Proportional to 403,432.07, 605,242.87 and 226,061.51

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Solution

The fourth proportional to 403,432.07, 605,242.87 and 226,061.51 is: 339,145.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,432.07 : 605,242.87 = 226,061.51 : x
  2. Step 2: Convert to fraction form
    403,432.07/605,242.87 = 226,061.51/x
  3. Step 3: Cross multiply
    403,432.07x = 605,242.87 × 226,061.51
  4. Step 4: Simplify right side
    403,432.07x = 136,822,113,517.57
  5. Step 5: Solve for x
    x = 136,822,113,517.57/403,432.07
  6. Step 6: Final answer
    x = 339,145.36

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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.