Home / 698,697.82-964,139.39-404,296.66

Finding the Fourth Proportional to 698,697.82, 964,139.39 and 404,296.66

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Solution

The fourth proportional to 698,697.82, 964,139.39 and 404,296.66 is: 557,892.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,697.82 : 964,139.39 = 404,296.66 : x
  2. Step 2: Convert to fraction form
    698,697.82/964,139.39 = 404,296.66/x
  3. Step 3: Cross multiply
    698,697.82x = 964,139.39 × 404,296.66
  4. Step 4: Simplify right side
    698,697.82x = 389,798,335,151.44
  5. Step 5: Solve for x
    x = 389,798,335,151.44/698,697.82
  6. Step 6: Final answer
    x = 557,892.59

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Double scale
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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.