Home / 936,910.29-1,292,934.71-507,190.31

Finding the Fourth Proportional to 936,910.29, 1,292,934.71 and 507,190.31

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Solution

The fourth proportional to 936,910.29, 1,292,934.71 and 507,190.31 is: 699,921.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,910.29 : 1,292,934.71 = 507,190.31 : x
  2. Step 2: Convert to fraction form
    936,910.29/1,292,934.71 = 507,190.31/x
  3. Step 3: Cross multiply
    936,910.29x = 1,292,934.71 × 507,190.31
  4. Step 4: Simplify right side
    936,910.29x = 655,763,947,374.04
  5. Step 5: Solve for x
    x = 655,763,947,374.04/936,910.29
  6. Step 6: Final answer
    x = 699,921.81

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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.