Home / 617,917.58-926,538.49-490,651.39

Finding the Fourth Proportional to 617,917.58, 926,538.49 and 490,651.39

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Solution

The fourth proportional to 617,917.58, 926,538.49 and 490,651.39 is: 735,708.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,917.58 : 926,538.49 = 490,651.39 : x
  2. Step 2: Convert to fraction form
    617,917.58/926,538.49 = 490,651.39/x
  3. Step 3: Cross multiply
    617,917.58x = 926,538.49 × 490,651.39
  4. Step 4: Simplify right side
    617,917.58x = 454,607,393,237.40
  5. Step 5: Solve for x
    x = 454,607,393,237.40/617,917.58
  6. Step 6: Final answer
    x = 735,708.78

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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.