Home / 940,418.16-1,298,174.37-634,908.39

Finding the Fourth Proportional to 940,418.16, 1,298,174.37 and 634,908.39

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Solution

The fourth proportional to 940,418.16, 1,298,174.37 and 634,908.39 is: 876,441.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,418.16 : 1,298,174.37 = 634,908.39 : x
  2. Step 2: Convert to fraction form
    940,418.16/1,298,174.37 = 634,908.39/x
  3. Step 3: Cross multiply
    940,418.16x = 1,298,174.37 × 634,908.39
  4. Step 4: Simplify right side
    940,418.16x = 824,221,791,946.90
  5. Step 5: Solve for x
    x = 824,221,791,946.90/940,418.16
  6. Step 6: Final answer
    x = 876,441.81

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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.