Home / 1,187,844.58-1,639,205.40-671,590

Finding the Fourth Proportional to 1,187,844.58, 1,639,205.40 and 671,590

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Solution

The fourth proportional to 1,187,844.58, 1,639,205.40 and 671,590 is: 926,782.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,844.58 : 1,639,205.40 = 671,590 : x
  2. Step 2: Convert to fraction form
    1,187,844.58/1,639,205.40 = 671,590/x
  3. Step 3: Cross multiply
    1,187,844.58x = 1,639,205.40 × 671,590
  4. Step 4: Simplify right side
    1,187,844.58x = 1,100,873,954,586
  5. Step 5: Solve for x
    x = 1,100,873,954,586/1,187,844.58
  6. Step 6: Final answer
    x = 926,782.82

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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.