Home / 887,216.30-1,330,608.45-256,064.30

Finding the Fourth Proportional to 887,216.30, 1,330,608.45 and 256,064.30

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Solution

The fourth proportional to 887,216.30, 1,330,608.45 and 256,064.30 is: 384,034.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,216.30 : 1,330,608.45 = 256,064.30 : x
  2. Step 2: Convert to fraction form
    887,216.30/1,330,608.45 = 256,064.30/x
  3. Step 3: Cross multiply
    887,216.30x = 1,330,608.45 × 256,064.30
  4. Step 4: Simplify right side
    887,216.30x = 340,721,321,323.34
  5. Step 5: Solve for x
    x = 340,721,321,323.34/887,216.30
  6. Step 6: Final answer
    x = 384,034.11

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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.