Home / 686,582.34-1,029,620.70-237,187.86

Finding the Fourth Proportional to 686,582.34, 1,029,620.70 and 237,187.86

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Solution

The fourth proportional to 686,582.34, 1,029,620.70 and 237,187.86 is: 355,694.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,582.34 : 1,029,620.70 = 237,187.86 : x
  2. Step 2: Convert to fraction form
    686,582.34/1,029,620.70 = 237,187.86/x
  3. Step 3: Cross multiply
    686,582.34x = 1,029,620.70 × 237,187.86
  4. Step 4: Simplify right side
    686,582.34x = 244,213,530,444.70
  5. Step 5: Solve for x
    x = 244,213,530,444.70/686,582.34
  6. Step 6: Final answer
    x = 355,694.45

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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.