Home / 657,941.54-907,580.33-396,114.57

Finding the Fourth Proportional to 657,941.54, 907,580.33 and 396,114.57

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Solution

The fourth proportional to 657,941.54, 907,580.33 and 396,114.57 is: 546,409.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,941.54 : 907,580.33 = 396,114.57 : x
  2. Step 2: Convert to fraction form
    657,941.54/907,580.33 = 396,114.57/x
  3. Step 3: Cross multiply
    657,941.54x = 907,580.33 × 396,114.57
  4. Step 4: Simplify right side
    657,941.54x = 359,505,792,158.41
  5. Step 5: Solve for x
    x = 359,505,792,158.41/657,941.54
  6. Step 6: Final answer
    x = 546,409.93

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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.