Home / 922,419.07-1,272,969.97-535,205.25

Finding the Fourth Proportional to 922,419.07, 1,272,969.97 and 535,205.25

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Solution

The fourth proportional to 922,419.07, 1,272,969.97 and 535,205.25 is: 738,601.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,419.07 : 1,272,969.97 = 535,205.25 : x
  2. Step 2: Convert to fraction form
    922,419.07/1,272,969.97 = 535,205.25/x
  3. Step 3: Cross multiply
    922,419.07x = 1,272,969.97 × 535,205.25
  4. Step 4: Simplify right side
    922,419.07x = 681,300,211,036.34
  5. Step 5: Solve for x
    x = 681,300,211,036.34/922,419.07
  6. Step 6: Final answer
    x = 738,601.61

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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.