Home / 497,908.24-687,110.22-283,048.30

Finding the Fourth Proportional to 497,908.24, 687,110.22 and 283,048.30

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Solution

The fourth proportional to 497,908.24, 687,110.22 and 283,048.30 is: 390,604.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,908.24 : 687,110.22 = 283,048.30 : x
  2. Step 2: Convert to fraction form
    497,908.24/687,110.22 = 283,048.30/x
  3. Step 3: Cross multiply
    497,908.24x = 687,110.22 × 283,048.30
  4. Step 4: Simplify right side
    497,908.24x = 194,485,379,683.63
  5. Step 5: Solve for x
    x = 194,485,379,683.63/497,908.24
  6. Step 6: Final answer
    x = 390,604.86

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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.