Home / 389,256.23-537,173.67-219,490.36

Finding the Fourth Proportional to 389,256.23, 537,173.67 and 219,490.36

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Solution

The fourth proportional to 389,256.23, 537,173.67 and 219,490.36 is: 302,896.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,256.23 : 537,173.67 = 219,490.36 : x
  2. Step 2: Convert to fraction form
    389,256.23/537,173.67 = 219,490.36/x
  3. Step 3: Cross multiply
    389,256.23x = 537,173.67 × 219,490.36
  4. Step 4: Simplify right side
    389,256.23x = 117,904,441,690.98
  5. Step 5: Solve for x
    x = 117,904,441,690.98/389,256.23
  6. Step 6: Final answer
    x = 302,896.73

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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.