Home / 994,428.10-1,491,642.15-434,556.10

Finding the Fourth Proportional to 994,428.10, 1,491,642.15 and 434,556.10

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Solution

The fourth proportional to 994,428.10, 1,491,642.15 and 434,556.10 is: 651,834.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,428.10 : 1,491,642.15 = 434,556.10 : x
  2. Step 2: Convert to fraction form
    994,428.10/1,491,642.15 = 434,556.10/x
  3. Step 3: Cross multiply
    994,428.10x = 1,491,642.15 × 434,556.10
  4. Step 4: Simplify right side
    994,428.10x = 648,202,195,299.62
  5. Step 5: Solve for x
    x = 648,202,195,299.62/994,428.10
  6. Step 6: Final answer
    x = 651,834.15

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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.