Home / 938,839.62-1,295,599-509,119.64

Finding the Fourth Proportional to 938,839.62, 1,295,599 and 509,119.64

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Solution

The fourth proportional to 938,839.62, 1,295,599 and 509,119.64 is: 702,585.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,839.62 : 1,295,599 = 509,119.64 : x
  2. Step 2: Convert to fraction form
    938,839.62/1,295,599 = 509,119.64/x
  3. Step 3: Cross multiply
    938,839.62x = 1,295,599 × 509,119.64
  4. Step 4: Simplify right side
    938,839.62x = 659,614,896,464.36
  5. Step 5: Solve for x
    x = 659,614,896,464.36/938,839.62
  6. Step 6: Final answer
    x = 702,585.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.