Home / 543,451.83-749,986.95-301,734.41

Finding the Fourth Proportional to 543,451.83, 749,986.95 and 301,734.41

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Solution

The fourth proportional to 543,451.83, 749,986.95 and 301,734.41 is: 416,406.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,451.83 : 749,986.95 = 301,734.41 : x
  2. Step 2: Convert to fraction form
    543,451.83/749,986.95 = 301,734.41/x
  3. Step 3: Cross multiply
    543,451.83x = 749,986.95 × 301,734.41
  4. Step 4: Simplify right side
    543,451.83x = 226,296,869,865.95
  5. Step 5: Solve for x
    x = 226,296,869,865.95/543,451.83
  6. Step 6: Final answer
    x = 416,406.49

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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.