Home / 1,021,896.52-1,531,891.68-347,516.98

Finding the Fourth Proportional to 1,021,896.52, 1,531,891.68 and 347,516.98

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Solution

The fourth proportional to 1,021,896.52, 1,531,891.68 and 347,516.98 is: 520,951.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,896.52 : 1,531,891.68 = 347,516.98 : x
  2. Step 2: Convert to fraction form
    1,021,896.52/1,531,891.68 = 347,516.98/x
  3. Step 3: Cross multiply
    1,021,896.52x = 1,531,891.68 × 347,516.98
  4. Step 4: Simplify right side
    1,021,896.52x = 532,358,370,320.73
  5. Step 5: Solve for x
    x = 532,358,370,320.73/1,021,896.52
  6. Step 6: Final answer
    x = 520,951.35

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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.