Home / 629,619.40-944,429.10-346,184.20

Finding the Fourth Proportional to 629,619.40, 944,429.10 and 346,184.20

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Solution

The fourth proportional to 629,619.40, 944,429.10 and 346,184.20 is: 519,276.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,619.40 : 944,429.10 = 346,184.20 : x
  2. Step 2: Convert to fraction form
    629,619.40/944,429.10 = 346,184.20/x
  3. Step 3: Cross multiply
    629,619.40x = 944,429.10 × 346,184.20
  4. Step 4: Simplify right side
    629,619.40x = 326,946,432,440.22
  5. Step 5: Solve for x
    x = 326,946,432,440.22/629,619.40
  6. Step 6: Final answer
    x = 519,276.30

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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.