Home / 907,682.20-1,359,449.70-534,434.20

Finding the Fourth Proportional to 907,682.20, 1,359,449.70 and 534,434.20

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Solution

The fourth proportional to 907,682.20, 1,359,449.70 and 534,434.20 is: 800,430.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,682.20 : 1,359,449.70 = 534,434.20 : x
  2. Step 2: Convert to fraction form
    907,682.20/1,359,449.70 = 534,434.20/x
  3. Step 3: Cross multiply
    907,682.20x = 1,359,449.70 × 534,434.20
  4. Step 4: Simplify right side
    907,682.20x = 726,536,412,859.74
  5. Step 5: Solve for x
    x = 726,536,412,859.74/907,682.20
  6. Step 6: Final answer
    x = 800,430.39

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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.