Home / 1,798,045.14-2,698,131.75-661,605.38

Finding the Fourth Proportional to 1,798,045.14, 2,698,131.75 and 661,605.38

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Solution

The fourth proportional to 1,798,045.14, 2,698,131.75 and 661,605.38 is: 992,799.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798,045.14 : 2,698,131.75 = 661,605.38 : x
  2. Step 2: Convert to fraction form
    1,798,045.14/2,698,131.75 = 661,605.38/x
  3. Step 3: Cross multiply
    1,798,045.14x = 2,698,131.75 × 661,605.38
  4. Step 4: Simplify right side
    1,798,045.14x = 1,785,098,468,258.16
  5. Step 5: Solve for x
    x = 1,785,098,468,258.16/1,798,045.14
  6. Step 6: Final answer
    x = 992,799.58

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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.