Home / 403,044.85-556,281.44-231,078.34

Finding the Fourth Proportional to 403,044.85, 556,281.44 and 231,078.34

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Solution

The fourth proportional to 403,044.85, 556,281.44 and 231,078.34 is: 318,933.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,044.85 : 556,281.44 = 231,078.34 : x
  2. Step 2: Convert to fraction form
    403,044.85/556,281.44 = 231,078.34/x
  3. Step 3: Cross multiply
    403,044.85x = 556,281.44 × 231,078.34
  4. Step 4: Simplify right side
    403,044.85x = 128,544,591,728.01
  5. Step 5: Solve for x
    x = 128,544,591,728.01/403,044.85
  6. Step 6: Final answer
    x = 318,933.72

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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.