Home / 694,327.08-958,126.17-388,350.45

Finding the Fourth Proportional to 694,327.08, 958,126.17 and 388,350.45

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Solution

The fourth proportional to 694,327.08, 958,126.17 and 388,350.45 is: 535,898.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,327.08 : 958,126.17 = 388,350.45 : x
  2. Step 2: Convert to fraction form
    694,327.08/958,126.17 = 388,350.45/x
  3. Step 3: Cross multiply
    694,327.08x = 958,126.17 × 388,350.45
  4. Step 4: Simplify right side
    694,327.08x = 372,088,729,276.28
  5. Step 5: Solve for x
    x = 372,088,729,276.28/694,327.08
  6. Step 6: Final answer
    x = 535,898.34

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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.