Home / 1,247,463.51-1,721,497.28-703,597.65

Finding the Fourth Proportional to 1,247,463.51, 1,721,497.28 and 703,597.65

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Solution

The fourth proportional to 1,247,463.51, 1,721,497.28 and 703,597.65 is: 970,963.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,463.51 : 1,721,497.28 = 703,597.65 : x
  2. Step 2: Convert to fraction form
    1,247,463.51/1,721,497.28 = 703,597.65/x
  3. Step 3: Cross multiply
    1,247,463.51x = 1,721,497.28 × 703,597.65
  4. Step 4: Simplify right side
    1,247,463.51x = 1,211,241,440,689.39
  5. Step 5: Solve for x
    x = 1,211,241,440,689.39/1,247,463.51
  6. Step 6: Final answer
    x = 970,963.42

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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.