Home / 680,928.90-940,084.29-605,258.70

Finding the Fourth Proportional to 680,928.90, 940,084.29 and 605,258.70

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Solution

The fourth proportional to 680,928.90, 940,084.29 and 605,258.70 is: 835,614.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,928.90 : 940,084.29 = 605,258.70 : x
  2. Step 2: Convert to fraction form
    680,928.90/940,084.29 = 605,258.70/x
  3. Step 3: Cross multiply
    680,928.90x = 940,084.29 × 605,258.70
  4. Step 4: Simplify right side
    680,928.90x = 568,994,195,255.82
  5. Step 5: Solve for x
    x = 568,994,195,255.82/680,928.90
  6. Step 6: Final answer
    x = 835,614.70

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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.