Home / 749,817.50-1,034,748.15-410,285.75

Finding the Fourth Proportional to 749,817.50, 1,034,748.15 and 410,285.75

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Solution

The fourth proportional to 749,817.50, 1,034,748.15 and 410,285.75 is: 566,194.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,817.50 : 1,034,748.15 = 410,285.75 : x
  2. Step 2: Convert to fraction form
    749,817.50/1,034,748.15 = 410,285.75/x
  3. Step 3: Cross multiply
    749,817.50x = 1,034,748.15 × 410,285.75
  4. Step 4: Simplify right side
    749,817.50x = 424,542,420,783.86
  5. Step 5: Solve for x
    x = 424,542,420,783.86/749,817.50
  6. Step 6: Final answer
    x = 566,194.34

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.