Home / 914,170.20-1,371,255.30-441,778.20

Finding the Fourth Proportional to 914,170.20, 1,371,255.30 and 441,778.20

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Solution

The fourth proportional to 914,170.20, 1,371,255.30 and 441,778.20 is: 662,667.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,170.20 : 1,371,255.30 = 441,778.20 : x
  2. Step 2: Convert to fraction form
    914,170.20/1,371,255.30 = 441,778.20/x
  3. Step 3: Cross multiply
    914,170.20x = 1,371,255.30 × 441,778.20
  4. Step 4: Simplify right side
    914,170.20x = 605,790,698,174.46
  5. Step 5: Solve for x
    x = 605,790,698,174.46/914,170.20
  6. Step 6: Final answer
    x = 662,667.30

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Half scale
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Double scale
Find fourth proportional to 914,171.20, 1,371,256.80 and 441,779.20
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.