Home / 614,619.54-921,920.13-374,803.92

Finding the Fourth Proportional to 614,619.54, 921,920.13 and 374,803.92

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Solution

The fourth proportional to 614,619.54, 921,920.13 and 374,803.92 is: 562,200.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,619.54 : 921,920.13 = 374,803.92 : x
  2. Step 2: Convert to fraction form
    614,619.54/921,920.13 = 374,803.92/x
  3. Step 3: Cross multiply
    614,619.54x = 921,920.13 × 374,803.92
  4. Step 4: Simplify right side
    614,619.54x = 345,539,278,650.91
  5. Step 5: Solve for x
    x = 345,539,278,650.91/614,619.54
  6. Step 6: Final answer
    x = 562,200.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.