Home / 684,256.82-944,236.32-378,315.50

Finding the Fourth Proportional to 684,256.82, 944,236.32 and 378,315.50

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Solution

The fourth proportional to 684,256.82, 944,236.32 and 378,315.50 is: 522,054.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,256.82 : 944,236.32 = 378,315.50 : x
  2. Step 2: Convert to fraction form
    684,256.82/944,236.32 = 378,315.50/x
  3. Step 3: Cross multiply
    684,256.82x = 944,236.32 × 378,315.50
  4. Step 4: Simplify right side
    684,256.82x = 357,219,235,518.96
  5. Step 5: Solve for x
    x = 357,219,235,518.96/684,256.82
  6. Step 6: Final answer
    x = 522,054.33

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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.