Home / 933,302.07-1,399,963.86-393,649.56

Finding the Fourth Proportional to 933,302.07, 1,399,963.86 and 393,649.56

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Solution

The fourth proportional to 933,302.07, 1,399,963.86 and 393,649.56 is: 590,478.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,302.07 : 1,399,963.86 = 393,649.56 : x
  2. Step 2: Convert to fraction form
    933,302.07/1,399,963.86 = 393,649.56/x
  3. Step 3: Cross multiply
    933,302.07x = 1,399,963.86 × 393,649.56
  4. Step 4: Simplify right side
    933,302.07x = 551,095,157,504.90
  5. Step 5: Solve for x
    x = 551,095,157,504.90/933,302.07
  6. Step 6: Final answer
    x = 590,478.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.