Home / 922,418.97-1,272,969.72-535,205.16

Finding the Fourth Proportional to 922,418.97, 1,272,969.72 and 535,205.16

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Solution

The fourth proportional to 922,418.97, 1,272,969.72 and 535,205.16 is: 738,601.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,418.97 : 1,272,969.72 = 535,205.16 : x
  2. Step 2: Convert to fraction form
    922,418.97/1,272,969.72 = 535,205.16/x
  3. Step 3: Cross multiply
    922,418.97x = 1,272,969.72 × 535,205.16
  4. Step 4: Simplify right side
    922,418.97x = 681,299,962,667.76
  5. Step 5: Solve for x
    x = 681,299,962,667.76/922,418.97
  6. Step 6: Final answer
    x = 738,601.42

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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.