Home / 1,011,619.70-1,517,394.27-253,467.60

Finding the Fourth Proportional to 1,011,619.70, 1,517,394.27 and 253,467.60

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Solution

The fourth proportional to 1,011,619.70, 1,517,394.27 and 253,467.60 is: 380,192.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,619.70 : 1,517,394.27 = 253,467.60 : x
  2. Step 2: Convert to fraction form
    1,011,619.70/1,517,394.27 = 253,467.60/x
  3. Step 3: Cross multiply
    1,011,619.70x = 1,517,394.27 × 253,467.60
  4. Step 4: Simplify right side
    1,011,619.70x = 384,610,282,920.15
  5. Step 5: Solve for x
    x = 384,610,282,920.15/1,011,619.70
  6. Step 6: Final answer
    x = 380,192.56

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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.