Home / 936,909.54-1,292,933.67-507,189.56

Finding the Fourth Proportional to 936,909.54, 1,292,933.67 and 507,189.56

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Solution

The fourth proportional to 936,909.54, 1,292,933.67 and 507,189.56 is: 699,920.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,909.54 : 1,292,933.67 = 507,189.56 : x
  2. Step 2: Convert to fraction form
    936,909.54/1,292,933.67 = 507,189.56/x
  3. Step 3: Cross multiply
    936,909.54x = 1,292,933.67 × 507,189.56
  4. Step 4: Simplify right side
    936,909.54x = 655,762,452,731.82
  5. Step 5: Solve for x
    x = 655,762,452,731.82/936,909.54
  6. Step 6: Final answer
    x = 699,920.78

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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.