Home / 744,191.48-1,115,003.34-407,474.48

Finding the Fourth Proportional to 744,191.48, 1,115,003.34 and 407,474.48

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Solution

The fourth proportional to 744,191.48, 1,115,003.34 and 407,474.48 is: 610,508.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,191.48 : 1,115,003.34 = 407,474.48 : x
  2. Step 2: Convert to fraction form
    744,191.48/1,115,003.34 = 407,474.48/x
  3. Step 3: Cross multiply
    744,191.48x = 1,115,003.34 × 407,474.48
  4. Step 4: Simplify right side
    744,191.48x = 454,335,406,164.76
  5. Step 5: Solve for x
    x = 454,335,406,164.76/744,191.48
  6. Step 6: Final answer
    x = 610,508.74

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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.