Home / 1,227,124.77-1,693,411.97-717,913.41

Finding the Fourth Proportional to 1,227,124.77, 1,693,411.97 and 717,913.41

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Solution

The fourth proportional to 1,227,124.77, 1,693,411.97 and 717,913.41 is: 990,708.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,124.77 : 1,693,411.97 = 717,913.41 : x
  2. Step 2: Convert to fraction form
    1,227,124.77/1,693,411.97 = 717,913.41/x
  3. Step 3: Cross multiply
    1,227,124.77x = 1,693,411.97 × 717,913.41
  4. Step 4: Simplify right side
    1,227,124.77x = 1,215,723,158,327.95
  5. Step 5: Solve for x
    x = 1,215,723,158,327.95/1,227,124.77
  6. Step 6: Final answer
    x = 990,708.68

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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.