Home / 1,329,034-1,993,532.20-618,664.72

Finding the Fourth Proportional to 1,329,034, 1,993,532.20 and 618,664.72

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Solution

The fourth proportional to 1,329,034, 1,993,532.20 and 618,664.72 is: 927,988.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,034 : 1,993,532.20 = 618,664.72 : x
  2. Step 2: Convert to fraction form
    1,329,034/1,993,532.20 = 618,664.72/x
  3. Step 3: Cross multiply
    1,329,034x = 1,993,532.20 × 618,664.72
  4. Step 4: Simplify right side
    1,329,034x = 1,233,328,040,323.98
  5. Step 5: Solve for x
    x = 1,233,328,040,323.98/1,329,034
  6. Step 6: Final answer
    x = 927,988.33

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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.