Home / 684,397.36-944,539.30-394,019.24

Finding the Fourth Proportional to 684,397.36, 944,539.30 and 394,019.24

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Solution

The fourth proportional to 684,397.36, 944,539.30 and 394,019.24 is: 543,787.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,397.36 : 944,539.30 = 394,019.24 : x
  2. Step 2: Convert to fraction form
    684,397.36/944,539.30 = 394,019.24/x
  3. Step 3: Cross multiply
    684,397.36x = 944,539.30 × 394,019.24
  4. Step 4: Simplify right side
    684,397.36x = 372,166,655,166.04
  5. Step 5: Solve for x
    x = 372,166,655,166.04/684,397.36
  6. Step 6: Final answer
    x = 543,787.40

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Double scale
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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.