Home / 684,458.37-944,587.98-394,113.06

Finding the Fourth Proportional to 684,458.37, 944,587.98 and 394,113.06

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Solution

The fourth proportional to 684,458.37, 944,587.98 and 394,113.06 is: 543,896.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,458.37 : 944,587.98 = 394,113.06 : x
  2. Step 2: Convert to fraction form
    684,458.37/944,587.98 = 394,113.06/x
  3. Step 3: Cross multiply
    684,458.37x = 944,587.98 × 394,113.06
  4. Step 4: Simplify right side
    684,458.37x = 372,274,459,237.02
  5. Step 5: Solve for x
    x = 372,274,459,237.02/684,458.37
  6. Step 6: Final answer
    x = 543,896.42

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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.