Home / 1,331,711.62-1,837,761.14-719,864.35

Finding the Fourth Proportional to 1,331,711.62, 1,837,761.14 and 719,864.35

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Solution

The fourth proportional to 1,331,711.62, 1,837,761.14 and 719,864.35 is: 993,412.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,711.62 : 1,837,761.14 = 719,864.35 : x
  2. Step 2: Convert to fraction form
    1,331,711.62/1,837,761.14 = 719,864.35/x
  3. Step 3: Cross multiply
    1,331,711.62x = 1,837,761.14 × 719,864.35
  4. Step 4: Simplify right side
    1,331,711.62x = 1,322,938,725,706.62
  5. Step 5: Solve for x
    x = 1,322,938,725,706.62/1,331,711.62
  6. Step 6: Final answer
    x = 993,412.32

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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.