Home / 822,297.60-1,134,748.80-464,601.60

Finding the Fourth Proportional to 822,297.60, 1,134,748.80 and 464,601.60

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Solution

The fourth proportional to 822,297.60, 1,134,748.80 and 464,601.60 is: 641,137.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,297.60 : 1,134,748.80 = 464,601.60 : x
  2. Step 2: Convert to fraction form
    822,297.60/1,134,748.80 = 464,601.60/x
  3. Step 3: Cross multiply
    822,297.60x = 1,134,748.80 × 464,601.60
  4. Step 4: Simplify right side
    822,297.60x = 527,206,108,078.08
  5. Step 5: Solve for x
    x = 527,206,108,078.08/822,297.60
  6. Step 6: Final answer
    x = 641,137.84

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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.