Home / 694,895.59-958,972.16-388,964.37

Finding the Fourth Proportional to 694,895.59, 958,972.16 and 388,964.37

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Solution

The fourth proportional to 694,895.59, 958,972.16 and 388,964.37 is: 536,779.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,895.59 : 958,972.16 = 388,964.37 : x
  2. Step 2: Convert to fraction form
    694,895.59/958,972.16 = 388,964.37/x
  3. Step 3: Cross multiply
    694,895.59x = 958,972.16 × 388,964.37
  4. Step 4: Simplify right side
    694,895.59x = 373,006,002,061.94
  5. Step 5: Solve for x
    x = 373,006,002,061.94/694,895.59
  6. Step 6: Final answer
    x = 536,779.92

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1.5x scale

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.