Home / 1,013,600.70-1,520,206.65-303,651.90

Finding the Fourth Proportional to 1,013,600.70, 1,520,206.65 and 303,651.90

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Solution

The fourth proportional to 1,013,600.70, 1,520,206.65 and 303,651.90 is: 455,419.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,600.70 : 1,520,206.65 = 303,651.90 : x
  2. Step 2: Convert to fraction form
    1,013,600.70/1,520,206.65 = 303,651.90/x
  3. Step 3: Cross multiply
    1,013,600.70x = 1,520,206.65 × 303,651.90
  4. Step 4: Simplify right side
    1,013,600.70x = 461,613,637,665.14
  5. Step 5: Solve for x
    x = 461,613,637,665.14/1,013,600.70
  6. Step 6: Final answer
    x = 455,419.61

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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.