Home / 1,685,711.80-2,528,786.40-833,219.20

Finding the Fourth Proportional to 1,685,711.80, 2,528,786.40 and 833,219.20

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Solution

The fourth proportional to 1,685,711.80, 2,528,786.40 and 833,219.20 is: 1,249,936.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,711.80 : 2,528,786.40 = 833,219.20 : x
  2. Step 2: Convert to fraction form
    1,685,711.80/2,528,786.40 = 833,219.20/x
  3. Step 3: Cross multiply
    1,685,711.80x = 2,528,786.40 × 833,219.20
  4. Step 4: Simplify right side
    1,685,711.80x = 2,107,033,381,178.88
  5. Step 5: Solve for x
    x = 2,107,033,381,178.88/1,685,711.80
  6. Step 6: Final answer
    x = 1,249,936.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.