Home / 340,941.25-512,533.02-316,279.03

Finding the Fourth Proportional to 340,941.25, 512,533.02 and 316,279.03

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Solution

The fourth proportional to 340,941.25, 512,533.02 and 316,279.03 is: 475,458.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,941.25 : 512,533.02 = 316,279.03 : x
  2. Step 2: Convert to fraction form
    340,941.25/512,533.02 = 316,279.03/x
  3. Step 3: Cross multiply
    340,941.25x = 512,533.02 × 316,279.03
  4. Step 4: Simplify right side
    340,941.25x = 162,103,446,408.57
  5. Step 5: Solve for x
    x = 162,103,446,408.57/340,941.25
  6. Step 6: Final answer
    x = 475,458.59

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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.