Home / 973,311.39-1,342,974.65-543,525.39

Finding the Fourth Proportional to 973,311.39, 1,342,974.65 and 543,525.39

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Solution

The fourth proportional to 973,311.39, 1,342,974.65 and 543,525.39 is: 749,956.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,311.39 : 1,342,974.65 = 543,525.39 : x
  2. Step 2: Convert to fraction form
    973,311.39/1,342,974.65 = 543,525.39/x
  3. Step 3: Cross multiply
    973,311.39x = 1,342,974.65 × 543,525.39
  4. Step 4: Simplify right side
    973,311.39x = 729,940,820,401.36
  5. Step 5: Solve for x
    x = 729,940,820,401.36/973,311.39
  6. Step 6: Final answer
    x = 749,956.11

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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.