Home / 1,022,945.40-1,534,272.30-349,057.80

Finding the Fourth Proportional to 1,022,945.40, 1,534,272.30 and 349,057.80

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Solution

The fourth proportional to 1,022,945.40, 1,534,272.30 and 349,057.80 is: 523,536.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,945.40 : 1,534,272.30 = 349,057.80 : x
  2. Step 2: Convert to fraction form
    1,022,945.40/1,534,272.30 = 349,057.80/x
  3. Step 3: Cross multiply
    1,022,945.40x = 1,534,272.30 × 349,057.80
  4. Step 4: Simplify right side
    1,022,945.40x = 535,549,713,638.94
  5. Step 5: Solve for x
    x = 535,549,713,638.94/1,022,945.40
  6. Step 6: Final answer
    x = 523,536.95

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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.