Home / 598,789.80-826,322.63-340,666.09

Finding the Fourth Proportional to 598,789.80, 826,322.63 and 340,666.09

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Solution

The fourth proportional to 598,789.80, 826,322.63 and 340,666.09 is: 470,115.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,789.80 : 826,322.63 = 340,666.09 : x
  2. Step 2: Convert to fraction form
    598,789.80/826,322.63 = 340,666.09/x
  3. Step 3: Cross multiply
    598,789.80x = 826,322.63 × 340,666.09
  4. Step 4: Simplify right side
    598,789.80x = 281,500,095,671.48
  5. Step 5: Solve for x
    x = 281,500,095,671.48/598,789.80
  6. Step 6: Final answer
    x = 470,115.05

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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.