Home / 1,136,406.30-1,568,216.52-620,143.08

Finding the Fourth Proportional to 1,136,406.30, 1,568,216.52 and 620,143.08

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Solution

The fourth proportional to 1,136,406.30, 1,568,216.52 and 620,143.08 is: 855,784.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,406.30 : 1,568,216.52 = 620,143.08 : x
  2. Step 2: Convert to fraction form
    1,136,406.30/1,568,216.52 = 620,143.08/x
  3. Step 3: Cross multiply
    1,136,406.30x = 1,568,216.52 × 620,143.08
  4. Step 4: Simplify right side
    1,136,406.30x = 972,518,622,819.68
  5. Step 5: Solve for x
    x = 972,518,622,819.68/1,136,406.30
  6. Step 6: Final answer
    x = 855,784.26

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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.