Home / 864,811.60-1,297,217.40-746,616.40

Finding the Fourth Proportional to 864,811.60, 1,297,217.40 and 746,616.40

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Solution

The fourth proportional to 864,811.60, 1,297,217.40 and 746,616.40 is: 1,119,924.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,811.60 : 1,297,217.40 = 746,616.40 : x
  2. Step 2: Convert to fraction form
    864,811.60/1,297,217.40 = 746,616.40/x
  3. Step 3: Cross multiply
    864,811.60x = 1,297,217.40 × 746,616.40
  4. Step 4: Simplify right side
    864,811.60x = 968,523,785,205.36
  5. Step 5: Solve for x
    x = 968,523,785,205.36/864,811.60
  6. Step 6: Final answer
    x = 1,119,924.60

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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.