Home / 694,324.08-958,122.03-388,347.45

Finding the Fourth Proportional to 694,324.08, 958,122.03 and 388,347.45

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Solution

The fourth proportional to 694,324.08, 958,122.03 and 388,347.45 is: 535,894.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,324.08 : 958,122.03 = 388,347.45 : x
  2. Step 2: Convert to fraction form
    694,324.08/958,122.03 = 388,347.45/x
  3. Step 3: Cross multiply
    694,324.08x = 958,122.03 × 388,347.45
  4. Step 4: Simplify right side
    694,324.08x = 372,084,247,139.32
  5. Step 5: Solve for x
    x = 372,084,247,139.32/694,324.08
  6. Step 6: Final answer
    x = 535,894.20

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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.