Home / 936,456.66-1,292,313.59-506,736.78

Finding the Fourth Proportional to 936,456.66, 1,292,313.59 and 506,736.78

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Solution

The fourth proportional to 936,456.66, 1,292,313.59 and 506,736.78 is: 699,298.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,456.66 : 1,292,313.59 = 506,736.78 : x
  2. Step 2: Convert to fraction form
    936,456.66/1,292,313.59 = 506,736.78/x
  3. Step 3: Cross multiply
    936,456.66x = 1,292,313.59 × 506,736.78
  4. Step 4: Simplify right side
    936,456.66x = 654,862,821,867.24
  5. Step 5: Solve for x
    x = 654,862,821,867.24/936,456.66
  6. Step 6: Final answer
    x = 699,298.59

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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.