Home / 684,040.32-943,969.92-382,234.56

Finding the Fourth Proportional to 684,040.32, 943,969.92 and 382,234.56

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Solution

The fourth proportional to 684,040.32, 943,969.92 and 382,234.56 is: 527,480.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,040.32 : 943,969.92 = 382,234.56 : x
  2. Step 2: Convert to fraction form
    684,040.32/943,969.92 = 382,234.56/x
  3. Step 3: Cross multiply
    684,040.32x = 943,969.92 × 382,234.56
  4. Step 4: Simplify right side
    684,040.32x = 360,817,927,024.44
  5. Step 5: Solve for x
    x = 360,817,927,024.44/684,040.32
  6. Step 6: Final answer
    x = 527,480.50

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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.