Home / 1,798,045.39-2,698,132.13-661,605.63

Finding the Fourth Proportional to 1,798,045.39, 2,698,132.13 and 661,605.63

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Solution

The fourth proportional to 1,798,045.39, 2,698,132.13 and 661,605.63 is: 992,799.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798,045.39 : 2,698,132.13 = 661,605.63 : x
  2. Step 2: Convert to fraction form
    1,798,045.39/2,698,132.13 = 661,605.63/x
  3. Step 3: Cross multiply
    1,798,045.39x = 2,698,132.13 × 661,605.63
  4. Step 4: Simplify right side
    1,798,045.39x = 1,785,099,407,691.89
  5. Step 5: Solve for x
    x = 1,785,099,407,691.89/1,798,045.39
  6. Step 6: Final answer
    x = 992,799.97

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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.