Home / 912,491.88-1,259,246.94-504,621.15

Finding the Fourth Proportional to 912,491.88, 1,259,246.94 and 504,621.15

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Solution

The fourth proportional to 912,491.88, 1,259,246.94 and 504,621.15 is: 696,381.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,491.88 : 1,259,246.94 = 504,621.15 : x
  2. Step 2: Convert to fraction form
    912,491.88/1,259,246.94 = 504,621.15/x
  3. Step 3: Cross multiply
    912,491.88x = 1,259,246.94 × 504,621.15
  4. Step 4: Simplify right side
    912,491.88x = 635,442,638,996.78
  5. Step 5: Solve for x
    x = 635,442,638,996.78/912,491.88
  6. Step 6: Final answer
    x = 696,381.69

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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.