Home / 694,339.30-1,041,566.55-221,011.30

Finding the Fourth Proportional to 694,339.30, 1,041,566.55 and 221,011.30

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Solution

The fourth proportional to 694,339.30, 1,041,566.55 and 221,011.30 is: 331,535.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,339.30 : 1,041,566.55 = 221,011.30 : x
  2. Step 2: Convert to fraction form
    694,339.30/1,041,566.55 = 221,011.30/x
  3. Step 3: Cross multiply
    694,339.30x = 1,041,566.55 × 221,011.30
  4. Step 4: Simplify right side
    694,339.30x = 230,197,977,252.02
  5. Step 5: Solve for x
    x = 230,197,977,252.02/694,339.30
  6. Step 6: Final answer
    x = 331,535.28

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Half scale
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Double scale
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Similar ratio
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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.