Home / 1,048,056.80-1,568,456.40-627,634.40

Finding the Fourth Proportional to 1,048,056.80, 1,568,456.40 and 627,634.40

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Solution

The fourth proportional to 1,048,056.80, 1,568,456.40 and 627,634.40 is: 939,278.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,056.80 : 1,568,456.40 = 627,634.40 : x
  2. Step 2: Convert to fraction form
    1,048,056.80/1,568,456.40 = 627,634.40/x
  3. Step 3: Cross multiply
    1,048,056.80x = 1,568,456.40 × 627,634.40
  4. Step 4: Simplify right side
    1,048,056.80x = 984,417,191,540.16
  5. Step 5: Solve for x
    x = 984,417,191,540.16/1,048,056.80
  6. Step 6: Final answer
    x = 939,278.47

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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.