Home / 690,734.91-1,034,189.42-353,048.43

Finding the Fourth Proportional to 690,734.91, 1,034,189.42 and 353,048.43

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Solution

The fourth proportional to 690,734.91, 1,034,189.42 and 353,048.43 is: 528,594.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,734.91 : 1,034,189.42 = 353,048.43 : x
  2. Step 2: Convert to fraction form
    690,734.91/1,034,189.42 = 353,048.43/x
  3. Step 3: Cross multiply
    690,734.91x = 1,034,189.42 × 353,048.43
  4. Step 4: Simplify right side
    690,734.91x = 365,118,949,288.37
  5. Step 5: Solve for x
    x = 365,118,949,288.37/690,734.91
  6. Step 6: Final answer
    x = 528,594.90

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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.