Home / 689,600.60-1,032,068.10-605,619.80

Finding the Fourth Proportional to 689,600.60, 1,032,068.10 and 605,619.80

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Solution

The fourth proportional to 689,600.60, 1,032,068.10 and 605,619.80 is: 906,380.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,600.60 : 1,032,068.10 = 605,619.80 : x
  2. Step 2: Convert to fraction form
    689,600.60/1,032,068.10 = 605,619.80/x
  3. Step 3: Cross multiply
    689,600.60x = 1,032,068.10 × 605,619.80
  4. Step 4: Simplify right side
    689,600.60x = 625,040,876,308.38
  5. Step 5: Solve for x
    x = 625,040,876,308.38/689,600.60
  6. Step 6: Final answer
    x = 906,380.99

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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.