Home / 629,721.60-944,582.40-623,816.70

Finding the Fourth Proportional to 629,721.60, 944,582.40 and 623,816.70

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Solution

The fourth proportional to 629,721.60, 944,582.40 and 623,816.70 is: 935,725.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,721.60 : 944,582.40 = 623,816.70 : x
  2. Step 2: Convert to fraction form
    629,721.60/944,582.40 = 623,816.70/x
  3. Step 3: Cross multiply
    629,721.60x = 944,582.40 × 623,816.70
  4. Step 4: Simplify right side
    629,721.60x = 589,246,275,646.08
  5. Step 5: Solve for x
    x = 589,246,275,646.08/629,721.60
  6. Step 6: Final answer
    x = 935,725.05

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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.