Home / 749,416.50-1,034,194.77-409,884.75

Finding the Fourth Proportional to 749,416.50, 1,034,194.77 and 409,884.75

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Solution

The fourth proportional to 749,416.50, 1,034,194.77 and 409,884.75 is: 565,640.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,416.50 : 1,034,194.77 = 409,884.75 : x
  2. Step 2: Convert to fraction form
    749,416.50/1,034,194.77 = 409,884.75/x
  3. Step 3: Cross multiply
    749,416.50x = 1,034,194.77 × 409,884.75
  4. Step 4: Simplify right side
    749,416.50x = 423,900,664,752.76
  5. Step 5: Solve for x
    x = 423,900,664,752.76/749,416.50
  6. Step 6: Final answer
    x = 565,640.96

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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.