Home / 1,200,199.29-1,656,259.08-683,983.92

Finding the Fourth Proportional to 1,200,199.29, 1,656,259.08 and 683,983.92

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Solution

The fourth proportional to 1,200,199.29, 1,656,259.08 and 683,983.92 is: 943,888.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,199.29 : 1,656,259.08 = 683,983.92 : x
  2. Step 2: Convert to fraction form
    1,200,199.29/1,656,259.08 = 683,983.92/x
  3. Step 3: Cross multiply
    1,200,199.29x = 1,656,259.08 × 683,983.92
  4. Step 4: Simplify right side
    1,200,199.29x = 1,132,854,578,073.99
  5. Step 5: Solve for x
    x = 1,132,854,578,073.99/1,200,199.29
  6. Step 6: Final answer
    x = 943,888.73

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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.