Home / 903,290.49-1,246,185.27-521,243.46

Finding the Fourth Proportional to 903,290.49, 1,246,185.27 and 521,243.46

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Solution

The fourth proportional to 903,290.49, 1,246,185.27 and 521,243.46 is: 719,110.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,290.49 : 1,246,185.27 = 521,243.46 : x
  2. Step 2: Convert to fraction form
    903,290.49/1,246,185.27 = 521,243.46/x
  3. Step 3: Cross multiply
    903,290.49x = 1,246,185.27 × 521,243.46
  4. Step 4: Simplify right side
    903,290.49x = 649,565,921,935.83
  5. Step 5: Solve for x
    x = 649,565,921,935.83/903,290.49
  6. Step 6: Final answer
    x = 719,110.77

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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.