Home / 673,131.18-1,008,856.02-432,604.92

Finding the Fourth Proportional to 673,131.18, 1,008,856.02 and 432,604.92

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Solution

The fourth proportional to 673,131.18, 1,008,856.02 and 432,604.92 is: 648,367.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,131.18 : 1,008,856.02 = 432,604.92 : x
  2. Step 2: Convert to fraction form
    673,131.18/1,008,856.02 = 432,604.92/x
  3. Step 3: Cross multiply
    673,131.18x = 1,008,856.02 × 432,604.92
  4. Step 4: Simplify right side
    673,131.18x = 436,436,077,823.62
  5. Step 5: Solve for x
    x = 436,436,077,823.62/673,131.18
  6. Step 6: Final answer
    x = 648,367.05

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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.