Home / 762,784.92-1,052,639.82-423,252.36

Finding the Fourth Proportional to 762,784.92, 1,052,639.82 and 423,252.36

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Solution

The fourth proportional to 762,784.92, 1,052,639.82 and 423,252.36 is: 584,086.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,784.92 : 1,052,639.82 = 423,252.36 : x
  2. Step 2: Convert to fraction form
    762,784.92/1,052,639.82 = 423,252.36/x
  3. Step 3: Cross multiply
    762,784.92x = 1,052,639.82 × 423,252.36
  4. Step 4: Simplify right side
    762,784.92x = 445,532,288,044.98
  5. Step 5: Solve for x
    x = 445,532,288,044.98/762,784.92
  6. Step 6: Final answer
    x = 584,086.39

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1.5x scale

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.