Home / 892,212.17-1,231,256.09-484,314.80

Finding the Fourth Proportional to 892,212.17, 1,231,256.09 and 484,314.80

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Solution

The fourth proportional to 892,212.17, 1,231,256.09 and 484,314.80 is: 668,356.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,212.17 : 1,231,256.09 = 484,314.80 : x
  2. Step 2: Convert to fraction form
    892,212.17/1,231,256.09 = 484,314.80/x
  3. Step 3: Cross multiply
    892,212.17x = 1,231,256.09 × 484,314.80
  4. Step 4: Simplify right side
    892,212.17x = 596,315,542,031.64
  5. Step 5: Solve for x
    x = 596,315,542,031.64/892,212.17
  6. Step 6: Final answer
    x = 668,356.21

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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.