Home / 454,217.39-626,834.21-260,660.51

Finding the Fourth Proportional to 454,217.39, 626,834.21 and 260,660.51

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Solution

The fourth proportional to 454,217.39, 626,834.21 and 260,660.51 is: 359,719.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,217.39 : 626,834.21 = 260,660.51 : x
  2. Step 2: Convert to fraction form
    454,217.39/626,834.21 = 260,660.51/x
  3. Step 3: Cross multiply
    454,217.39x = 626,834.21 × 260,660.51
  4. Step 4: Simplify right side
    454,217.39x = 163,390,922,777.20
  5. Step 5: Solve for x
    x = 163,390,922,777.20/454,217.39
  6. Step 6: Final answer
    x = 359,719.66

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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.