Home / 816,665.67-1,127,011.50-449,158.77

Finding the Fourth Proportional to 816,665.67, 1,127,011.50 and 449,158.77

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Solution

The fourth proportional to 816,665.67, 1,127,011.50 and 449,158.77 is: 619,846.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,665.67 : 1,127,011.50 = 449,158.77 : x
  2. Step 2: Convert to fraction form
    816,665.67/1,127,011.50 = 449,158.77/x
  3. Step 3: Cross multiply
    816,665.67x = 1,127,011.50 × 449,158.77
  4. Step 4: Simplify right side
    816,665.67x = 506,207,100,694.92
  5. Step 5: Solve for x
    x = 506,207,100,694.92/816,665.67
  6. Step 6: Final answer
    x = 619,846.19

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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.