Home / 684,113.23-944,069.97-378,197.56

Finding the Fourth Proportional to 684,113.23, 944,069.97 and 378,197.56

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Solution

The fourth proportional to 684,113.23, 944,069.97 and 378,197.56 is: 521,909.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,113.23 : 944,069.97 = 378,197.56 : x
  2. Step 2: Convert to fraction form
    684,113.23/944,069.97 = 378,197.56/x
  3. Step 3: Cross multiply
    684,113.23x = 944,069.97 × 378,197.56
  4. Step 4: Simplify right side
    684,113.23x = 357,044,959,123.27
  5. Step 5: Solve for x
    x = 357,044,959,123.27/684,113.23
  6. Step 6: Final answer
    x = 521,909.16

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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.