Home / 543,212.04-749,621.34-301,480.44

Finding the Fourth Proportional to 543,212.04, 749,621.34 and 301,480.44

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Solution

The fourth proportional to 543,212.04, 749,621.34 and 301,480.44 is: 416,036.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,212.04 : 749,621.34 = 301,480.44 : x
  2. Step 2: Convert to fraction form
    543,212.04/749,621.34 = 301,480.44/x
  3. Step 3: Cross multiply
    543,212.04x = 749,621.34 × 301,480.44
  4. Step 4: Simplify right side
    543,212.04x = 225,996,171,416.59
  5. Step 5: Solve for x
    x = 225,996,171,416.59/543,212.04
  6. Step 6: Final answer
    x = 416,036.75

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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.