Home / 1,579,515.80-2,179,732.28-891,333.92

Finding the Fourth Proportional to 1,579,515.80, 2,179,732.28 and 891,333.92

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Solution

The fourth proportional to 1,579,515.80, 2,179,732.28 and 891,333.92 is: 1,230,041.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,515.80 : 2,179,732.28 = 891,333.92 : x
  2. Step 2: Convert to fraction form
    1,579,515.80/2,179,732.28 = 891,333.92/x
  3. Step 3: Cross multiply
    1,579,515.80x = 2,179,732.28 × 891,333.92
  4. Step 4: Simplify right side
    1,579,515.80x = 1,942,869,318,675.60
  5. Step 5: Solve for x
    x = 1,942,869,318,675.60/1,579,515.80
  6. Step 6: Final answer
    x = 1,230,041.08

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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.