Home / 769,123.40-1,153,886.70-295,824.20

Finding the Fourth Proportional to 769,123.40, 1,153,886.70 and 295,824.20

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Solution

The fourth proportional to 769,123.40, 1,153,886.70 and 295,824.20 is: 443,813.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,123.40 : 1,153,886.70 = 295,824.20 : x
  2. Step 2: Convert to fraction form
    769,123.40/1,153,886.70 = 295,824.20/x
  3. Step 3: Cross multiply
    769,123.40x = 1,153,886.70 × 295,824.20
  4. Step 4: Simplify right side
    769,123.40x = 341,347,609,918.14
  5. Step 5: Solve for x
    x = 341,347,609,918.14/769,123.40
  6. Step 6: Final answer
    x = 443,813.84

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Double scale
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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.