Home / 663,037.60-993,385.20-641,111.20

Finding the Fourth Proportional to 663,037.60, 993,385.20 and 641,111.20

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Solution

The fourth proportional to 663,037.60, 993,385.20 and 641,111.20 is: 960,534.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,037.60 : 993,385.20 = 641,111.20 : x
  2. Step 2: Convert to fraction form
    663,037.60/993,385.20 = 641,111.20/x
  3. Step 3: Cross multiply
    663,037.60x = 993,385.20 × 641,111.20
  4. Step 4: Simplify right side
    663,037.60x = 636,870,377,634.24
  5. Step 5: Solve for x
    x = 636,870,377,634.24/663,037.60
  6. Step 6: Final answer
    x = 960,534.33

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1.5x scale

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.