Home / 695,787.10-1,042,903.05-396,411.10

Finding the Fourth Proportional to 695,787.10, 1,042,903.05 and 396,411.10

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Solution

The fourth proportional to 695,787.10, 1,042,903.05 and 396,411.10 is: 594,173.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,787.10 : 1,042,903.05 = 396,411.10 : x
  2. Step 2: Convert to fraction form
    695,787.10/1,042,903.05 = 396,411.10/x
  3. Step 3: Cross multiply
    695,787.10x = 1,042,903.05 × 396,411.10
  4. Step 4: Simplify right side
    695,787.10x = 413,418,345,243.86
  5. Step 5: Solve for x
    x = 413,418,345,243.86/695,787.10
  6. Step 6: Final answer
    x = 594,173.63

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1.5x scale

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.