Home / 762,332.25-1,143,080.64-351,555.63

Finding the Fourth Proportional to 762,332.25, 1,143,080.64 and 351,555.63

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Solution

The fourth proportional to 762,332.25, 1,143,080.64 and 351,555.63 is: 527,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,332.25 : 1,143,080.64 = 351,555.63 : x
  2. Step 2: Convert to fraction form
    762,332.25/1,143,080.64 = 351,555.63/x
  3. Step 3: Cross multiply
    762,332.25x = 1,143,080.64 × 351,555.63
  4. Step 4: Simplify right side
    762,332.25x = 401,856,434,536.00
  5. Step 5: Solve for x
    x = 401,856,434,536.00/762,332.25
  6. Step 6: Final answer
    x = 527,140.80

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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.