Home / 922,387.10-1,272,839.36-535,172.52

Finding the Fourth Proportional to 922,387.10, 1,272,839.36 and 535,172.52

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Solution

The fourth proportional to 922,387.10, 1,272,839.36 and 535,172.52 is: 738,506.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,387.10 : 1,272,839.36 = 535,172.52 : x
  2. Step 2: Convert to fraction form
    922,387.10/1,272,839.36 = 535,172.52/x
  3. Step 3: Cross multiply
    922,387.10x = 1,272,839.36 × 535,172.52
  4. Step 4: Simplify right side
    922,387.10x = 681,188,647,846.39
  5. Step 5: Solve for x
    x = 681,188,647,846.39/922,387.10
  6. Step 6: Final answer
    x = 738,506.26

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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.