Home / 943,047.20-1,414,570.80-644,448.80

Finding the Fourth Proportional to 943,047.20, 1,414,570.80 and 644,448.80

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Solution

The fourth proportional to 943,047.20, 1,414,570.80 and 644,448.80 is: 966,673.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,047.20 : 1,414,570.80 = 644,448.80 : x
  2. Step 2: Convert to fraction form
    943,047.20/1,414,570.80 = 644,448.80/x
  3. Step 3: Cross multiply
    943,047.20x = 1,414,570.80 × 644,448.80
  4. Step 4: Simplify right side
    943,047.20x = 911,618,454,575.04
  5. Step 5: Solve for x
    x = 911,618,454,575.04/943,047.20
  6. Step 6: Final answer
    x = 966,673.20

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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.