Home / 684,225.70-944,215.14-382,447.78

Finding the Fourth Proportional to 684,225.70, 944,215.14 and 382,447.78

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Solution

The fourth proportional to 684,225.70, 944,215.14 and 382,447.78 is: 527,768.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,225.70 : 944,215.14 = 382,447.78 : x
  2. Step 2: Convert to fraction form
    684,225.70/944,215.14 = 382,447.78/x
  3. Step 3: Cross multiply
    684,225.70x = 944,215.14 × 382,447.78
  4. Step 4: Simplify right side
    684,225.70x = 361,112,984,135.39
  5. Step 5: Solve for x
    x = 361,112,984,135.39/684,225.70
  6. Step 6: Final answer
    x = 527,768.81

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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.