Home / 903,286.44-1,246,445.47-521,436.24

Finding the Fourth Proportional to 903,286.44, 1,246,445.47 and 521,436.24

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Solution

The fourth proportional to 903,286.44, 1,246,445.47 and 521,436.24 is: 719,530.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,286.44 : 1,246,445.47 = 521,436.24 : x
  2. Step 2: Convert to fraction form
    903,286.44/1,246,445.47 = 521,436.24/x
  3. Step 3: Cross multiply
    903,286.44x = 1,246,445.47 × 521,436.24
  4. Step 4: Simplify right side
    903,286.44x = 649,941,839,241.83
  5. Step 5: Solve for x
    x = 649,941,839,241.83/903,286.44
  6. Step 6: Final answer
    x = 719,530.16

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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.