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Finding the Fourth Proportional to 822,958.32, 1,135,684.16 and 460,388.24

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Solution

The fourth proportional to 822,958.32, 1,135,684.16 and 460,388.24 is: 635,336.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,958.32 : 1,135,684.16 = 460,388.24 : x
  2. Step 2: Convert to fraction form
    822,958.32/1,135,684.16 = 460,388.24/x
  3. Step 3: Cross multiply
    822,958.32x = 1,135,684.16 × 460,388.24
  4. Step 4: Simplify right side
    822,958.32x = 522,855,636,011.41
  5. Step 5: Solve for x
    x = 522,855,636,011.41/822,958.32
  6. Step 6: Final answer
    x = 635,336.72

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Double scale
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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.