Home / 1,798,045.89-2,698,132.88-661,606.13

Finding the Fourth Proportional to 1,798,045.89, 2,698,132.88 and 661,606.13

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Solution

The fourth proportional to 1,798,045.89, 2,698,132.88 and 661,606.13 is: 992,800.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798,045.89 : 2,698,132.88 = 661,606.13 : x
  2. Step 2: Convert to fraction form
    1,798,045.89/2,698,132.88 = 661,606.13/x
  3. Step 3: Cross multiply
    1,798,045.89x = 2,698,132.88 × 661,606.13
  4. Step 4: Simplify right side
    1,798,045.89x = 1,785,101,236,163.86
  5. Step 5: Solve for x
    x = 1,785,101,236,163.86/1,798,045.89
  6. Step 6: Final answer
    x = 992,800.71

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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.