Home / 1,579,915.97-2,180,275.63-891,811.45

Finding the Fourth Proportional to 1,579,915.97, 2,180,275.63 and 891,811.45

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Solution

The fourth proportional to 1,579,915.97, 2,180,275.63 and 891,811.45 is: 1,230,695.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,915.97 : 2,180,275.63 = 891,811.45 : x
  2. Step 2: Convert to fraction form
    1,579,915.97/2,180,275.63 = 891,811.45/x
  3. Step 3: Cross multiply
    1,579,915.97x = 2,180,275.63 × 891,811.45
  4. Step 4: Simplify right side
    1,579,915.97x = 1,944,394,775,392.49
  5. Step 5: Solve for x
    x = 1,944,394,775,392.49/1,579,915.97
  6. Step 6: Final answer
    x = 1,230,695.06

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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.