Home / 891,010.90-1,336,516.35-441,801.10

Finding the Fourth Proportional to 891,010.90, 1,336,516.35 and 441,801.10

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Solution

The fourth proportional to 891,010.90, 1,336,516.35 and 441,801.10 is: 662,701.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,010.90 : 1,336,516.35 = 441,801.10 : x
  2. Step 2: Convert to fraction form
    891,010.90/1,336,516.35 = 441,801.10/x
  3. Step 3: Cross multiply
    891,010.90x = 1,336,516.35 × 441,801.10
  4. Step 4: Simplify right side
    891,010.90x = 590,474,393,597.99
  5. Step 5: Solve for x
    x = 590,474,393,597.99/891,010.90
  6. Step 6: Final answer
    x = 662,701.65

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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.