Home / 1,697,836.72-2,342,965.80-933,890.28

Finding the Fourth Proportional to 1,697,836.72, 2,342,965.80 and 933,890.28

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Solution

The fourth proportional to 1,697,836.72, 2,342,965.80 and 933,890.28 is: 1,288,741.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697,836.72 : 2,342,965.80 = 933,890.28 : x
  2. Step 2: Convert to fraction form
    1,697,836.72/2,342,965.80 = 933,890.28/x
  3. Step 3: Cross multiply
    1,697,836.72x = 2,342,965.80 × 933,890.28
  4. Step 4: Simplify right side
    1,697,836.72x = 2,188,072,986,992.42
  5. Step 5: Solve for x
    x = 2,188,072,986,992.42/1,697,836.72
  6. Step 6: Final answer
    x = 1,288,741.70

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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.