Home / 759,104.42-1,138,269.65-253,483.79

Finding the Fourth Proportional to 759,104.42, 1,138,269.65 and 253,483.79

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Solution

The fourth proportional to 759,104.42, 1,138,269.65 and 253,483.79 is: 380,096.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,104.42 : 1,138,269.65 = 253,483.79 : x
  2. Step 2: Convert to fraction form
    759,104.42/1,138,269.65 = 253,483.79/x
  3. Step 3: Cross multiply
    759,104.42x = 1,138,269.65 × 253,483.79
  4. Step 4: Simplify right side
    759,104.42x = 288,532,897,965.21
  5. Step 5: Solve for x
    x = 288,532,897,965.21/759,104.42
  6. Step 6: Final answer
    x = 380,096.46

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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.