Home / 656,746.78-906,326.61-366,356.28

Finding the Fourth Proportional to 656,746.78, 906,326.61 and 366,356.28

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Solution

The fourth proportional to 656,746.78, 906,326.61 and 366,356.28 is: 505,580.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,746.78 : 906,326.61 = 366,356.28 : x
  2. Step 2: Convert to fraction form
    656,746.78/906,326.61 = 366,356.28/x
  3. Step 3: Cross multiply
    656,746.78x = 906,326.61 × 366,356.28
  4. Step 4: Simplify right side
    656,746.78x = 332,038,449,570.95
  5. Step 5: Solve for x
    x = 332,038,449,570.95/656,746.78
  6. Step 6: Final answer
    x = 505,580.63

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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.