Home / 326,980.18-451,067.70-283,901.14

Finding the Fourth Proportional to 326,980.18, 451,067.70 and 283,901.14

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Solution

The fourth proportional to 326,980.18, 451,067.70 and 283,901.14 is: 391,640.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,980.18 : 451,067.70 = 283,901.14 : x
  2. Step 2: Convert to fraction form
    326,980.18/451,067.70 = 283,901.14/x
  3. Step 3: Cross multiply
    326,980.18x = 451,067.70 × 283,901.14
  4. Step 4: Simplify right side
    326,980.18x = 128,058,634,247.18
  5. Step 5: Solve for x
    x = 128,058,634,247.18/326,980.18
  6. Step 6: Final answer
    x = 391,640.36

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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.