Home / 689,197.86-1,033,660.53-655,020.07

Finding the Fourth Proportional to 689,197.86, 1,033,660.53 and 655,020.07

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Solution

The fourth proportional to 689,197.86, 1,033,660.53 and 655,020.07 is: 982,400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,197.86 : 1,033,660.53 = 655,020.07 : x
  2. Step 2: Convert to fraction form
    689,197.86/1,033,660.53 = 655,020.07/x
  3. Step 3: Cross multiply
    689,197.86x = 1,033,660.53 × 655,020.07
  4. Step 4: Simplify right side
    689,197.86x = 677,068,390,132.69
  5. Step 5: Solve for x
    x = 677,068,390,132.69/689,197.86
  6. Step 6: Final answer
    x = 982,400.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.