Home / 753,716.52-1,129,654.89-353,823.48

Finding the Fourth Proportional to 753,716.52, 1,129,654.89 and 353,823.48

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Solution

The fourth proportional to 753,716.52, 1,129,654.89 and 353,823.48 is: 530,303.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,716.52 : 1,129,654.89 = 353,823.48 : x
  2. Step 2: Convert to fraction form
    753,716.52/1,129,654.89 = 353,823.48/x
  3. Step 3: Cross multiply
    753,716.52x = 1,129,654.89 × 353,823.48
  4. Step 4: Simplify right side
    753,716.52x = 399,698,424,378.82
  5. Step 5: Solve for x
    x = 399,698,424,378.82/753,716.52
  6. Step 6: Final answer
    x = 530,303.39

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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.