Home / 617,829.20-926,743.80-368,997.20

Finding the Fourth Proportional to 617,829.20, 926,743.80 and 368,997.20

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Solution

The fourth proportional to 617,829.20, 926,743.80 and 368,997.20 is: 553,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,829.20 : 926,743.80 = 368,997.20 : x
  2. Step 2: Convert to fraction form
    617,829.20/926,743.80 = 368,997.20/x
  3. Step 3: Cross multiply
    617,829.20x = 926,743.80 × 368,997.20
  4. Step 4: Simplify right side
    617,829.20x = 341,965,867,317.36
  5. Step 5: Solve for x
    x = 341,965,867,317.36/617,829.20
  6. Step 6: Final answer
    x = 553,495.80

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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.