Home / 912,486.87-1,259,240.03-504,616.16

Finding the Fourth Proportional to 912,486.87, 1,259,240.03 and 504,616.16

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Solution

The fourth proportional to 912,486.87, 1,259,240.03 and 504,616.16 is: 696,374.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,486.87 : 1,259,240.03 = 504,616.16 : x
  2. Step 2: Convert to fraction form
    912,486.87/1,259,240.03 = 504,616.16/x
  3. Step 3: Cross multiply
    912,486.87x = 1,259,240.03 × 504,616.16
  4. Step 4: Simplify right side
    912,486.87x = 635,432,862,785.70
  5. Step 5: Solve for x
    x = 635,432,862,785.70/912,486.87
  6. Step 6: Final answer
    x = 696,374.81

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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.