Home / 1,281,249-1,923,032.61-682,715.70

Finding the Fourth Proportional to 1,281,249, 1,923,032.61 and 682,715.70

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Solution

The fourth proportional to 1,281,249, 1,923,032.61 and 682,715.70 is: 1,024,691.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,249 : 1,923,032.61 = 682,715.70 : x
  2. Step 2: Convert to fraction form
    1,281,249/1,923,032.61 = 682,715.70/x
  3. Step 3: Cross multiply
    1,281,249x = 1,923,032.61 × 682,715.70
  4. Step 4: Simplify right side
    1,281,249x = 1,312,884,554,458.98
  5. Step 5: Solve for x
    x = 1,312,884,554,458.98/1,281,249
  6. Step 6: Final answer
    x = 1,024,691.18

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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.