Home / 1,266,515.07-1,900,192.99-413,614.54

Finding the Fourth Proportional to 1,266,515.07, 1,900,192.99 and 413,614.54

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Solution

The fourth proportional to 1,266,515.07, 1,900,192.99 and 413,614.54 is: 620,559.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,515.07 : 1,900,192.99 = 413,614.54 : x
  2. Step 2: Convert to fraction form
    1,266,515.07/1,900,192.99 = 413,614.54/x
  3. Step 3: Cross multiply
    1,266,515.07x = 1,900,192.99 × 413,614.54
  4. Step 4: Simplify right side
    1,266,515.07x = 785,947,449,470.08
  5. Step 5: Solve for x
    x = 785,947,449,470.08/1,266,515.07
  6. Step 6: Final answer
    x = 620,559.10

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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.