Home / 694,348.71-1,036,909.25-686,833.80

Finding the Fourth Proportional to 694,348.71, 1,036,909.25 and 686,833.80

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Solution

The fourth proportional to 694,348.71, 1,036,909.25 and 686,833.80 is: 1,025,686.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,348.71 : 1,036,909.25 = 686,833.80 : x
  2. Step 2: Convert to fraction form
    694,348.71/1,036,909.25 = 686,833.80/x
  3. Step 3: Cross multiply
    694,348.71x = 1,036,909.25 × 686,833.80
  4. Step 4: Simplify right side
    694,348.71x = 712,184,311,813.94
  5. Step 5: Solve for x
    x = 712,184,311,813.94/694,348.71
  6. Step 6: Final answer
    x = 1,025,686.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.