Home / 994,328.40-1,491,492.60-434,456.40

Finding the Fourth Proportional to 994,328.40, 1,491,492.60 and 434,456.40

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Solution

The fourth proportional to 994,328.40, 1,491,492.60 and 434,456.40 is: 651,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,328.40 : 1,491,492.60 = 434,456.40 : x
  2. Step 2: Convert to fraction form
    994,328.40/1,491,492.60 = 434,456.40/x
  3. Step 3: Cross multiply
    994,328.40x = 1,491,492.60 × 434,456.40
  4. Step 4: Simplify right side
    994,328.40x = 647,988,505,622.64
  5. Step 5: Solve for x
    x = 647,988,505,622.64/994,328.40
  6. Step 6: Final answer
    x = 651,684.60

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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.