Home / 935,644.40-1,291,196.57-516,553.23

Finding the Fourth Proportional to 935,644.40, 1,291,196.57 and 516,553.23

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Solution

The fourth proportional to 935,644.40, 1,291,196.57 and 516,553.23 is: 712,847.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,644.40 : 1,291,196.57 = 516,553.23 : x
  2. Step 2: Convert to fraction form
    935,644.40/1,291,196.57 = 516,553.23/x
  3. Step 3: Cross multiply
    935,644.40x = 1,291,196.57 × 516,553.23
  4. Step 4: Simplify right side
    935,644.40x = 666,971,756,215.66
  5. Step 5: Solve for x
    x = 666,971,756,215.66/935,644.40
  6. Step 6: Final answer
    x = 712,847.49

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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.