Home / 922,639.72-1,273,274.36-535,425.31

Finding the Fourth Proportional to 922,639.72, 1,273,274.36 and 535,425.31

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Solution

The fourth proportional to 922,639.72, 1,273,274.36 and 535,425.31 is: 738,905.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,639.72 : 1,273,274.36 = 535,425.31 : x
  2. Step 2: Convert to fraction form
    922,639.72/1,273,274.36 = 535,425.31/x
  3. Step 3: Cross multiply
    922,639.72x = 1,273,274.36 × 535,425.31
  4. Step 4: Simplify right side
    922,639.72x = 681,743,316,240.93
  5. Step 5: Solve for x
    x = 681,743,316,240.93/922,639.72
  6. Step 6: Final answer
    x = 738,905.23

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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.