Home / 935,669.87-1,291,222.89-527,770.45

Finding the Fourth Proportional to 935,669.87, 1,291,222.89 and 527,770.45

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Solution

The fourth proportional to 935,669.87, 1,291,222.89 and 527,770.45 is: 728,322.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,669.87 : 1,291,222.89 = 527,770.45 : x
  2. Step 2: Convert to fraction form
    935,669.87/1,291,222.89 = 527,770.45/x
  3. Step 3: Cross multiply
    935,669.87x = 1,291,222.89 × 527,770.45
  4. Step 4: Simplify right side
    935,669.87x = 681,469,285,705.60
  5. Step 5: Solve for x
    x = 681,469,285,705.60/935,669.87
  6. Step 6: Final answer
    x = 728,322.36

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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.