Home / 957,124.77-1,320,890.94-527,404.79

Finding the Fourth Proportional to 957,124.77, 1,320,890.94 and 527,404.79

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Solution

The fourth proportional to 957,124.77, 1,320,890.94 and 527,404.79 is: 727,850.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,124.77 : 1,320,890.94 = 527,404.79 : x
  2. Step 2: Convert to fraction form
    957,124.77/1,320,890.94 = 527,404.79/x
  3. Step 3: Cross multiply
    957,124.77x = 1,320,890.94 × 527,404.79
  4. Step 4: Simplify right side
    957,124.77x = 696,644,202,219.15
  5. Step 5: Solve for x
    x = 696,644,202,219.15/957,124.77
  6. Step 6: Final answer
    x = 727,850.98

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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.