Home / 984,301.48-1,476,335.58-319,453.48

Finding the Fourth Proportional to 984,301.48, 1,476,335.58 and 319,453.48

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Solution

The fourth proportional to 984,301.48, 1,476,335.58 and 319,453.48 is: 479,142.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,301.48 : 1,476,335.58 = 319,453.48 : x
  2. Step 2: Convert to fraction form
    984,301.48/1,476,335.58 = 319,453.48/x
  3. Step 3: Cross multiply
    984,301.48x = 1,476,335.58 × 319,453.48
  4. Step 4: Simplify right side
    984,301.48x = 471,620,538,678.82
  5. Step 5: Solve for x
    x = 471,620,538,678.82/984,301.48
  6. Step 6: Final answer
    x = 479,142.36

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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.