Home / 961,709.85-1,327,043.95-553,944.31

Finding the Fourth Proportional to 961,709.85, 1,327,043.95 and 553,944.31

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Solution

The fourth proportional to 961,709.85, 1,327,043.95 and 553,944.31 is: 764,376.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,709.85 : 1,327,043.95 = 553,944.31 : x
  2. Step 2: Convert to fraction form
    961,709.85/1,327,043.95 = 553,944.31/x
  3. Step 3: Cross multiply
    961,709.85x = 1,327,043.95 × 553,944.31
  4. Step 4: Simplify right side
    961,709.85x = 735,108,440,519.95
  5. Step 5: Solve for x
    x = 735,108,440,519.95/961,709.85
  6. Step 6: Final answer
    x = 764,376.53

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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.