Home / 884,101.78-1,326,152.64-323,136.28

Finding the Fourth Proportional to 884,101.78, 1,326,152.64 and 323,136.28

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Solution

The fourth proportional to 884,101.78, 1,326,152.64 and 323,136.28 is: 484,704.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,101.78 : 1,326,152.64 = 323,136.28 : x
  2. Step 2: Convert to fraction form
    884,101.78/1,326,152.64 = 323,136.28/x
  3. Step 3: Cross multiply
    884,101.78x = 1,326,152.64 × 323,136.28
  4. Step 4: Simplify right side
    884,101.78x = 428,528,030,801.78
  5. Step 5: Solve for x
    x = 428,528,030,801.78/884,101.78
  6. Step 6: Final answer
    x = 484,704.41

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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.