Home / 340,344.24-469,670.40-189,441.36

Finding the Fourth Proportional to 340,344.24, 469,670.40 and 189,441.36

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Solution

The fourth proportional to 340,344.24, 469,670.40 and 189,441.36 is: 261,426.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,344.24 : 469,670.40 = 189,441.36 : x
  2. Step 2: Convert to fraction form
    340,344.24/469,670.40 = 189,441.36/x
  3. Step 3: Cross multiply
    340,344.24x = 469,670.40 × 189,441.36
  4. Step 4: Simplify right side
    340,344.24x = 88,974,999,327.74
  5. Step 5: Solve for x
    x = 88,974,999,327.74/340,344.24
  6. Step 6: Final answer
    x = 261,426.49

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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.