Home / 694,904.70-958,924.03-388,929.63

Finding the Fourth Proportional to 694,904.70, 958,924.03 and 388,929.63

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Solution

The fourth proportional to 694,904.70, 958,924.03 and 388,929.63 is: 536,698.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,904.70 : 958,924.03 = 388,929.63 : x
  2. Step 2: Convert to fraction form
    694,904.70/958,924.03 = 388,929.63/x
  3. Step 3: Cross multiply
    694,904.70x = 958,924.03 × 388,929.63
  4. Step 4: Simplify right side
    694,904.70x = 372,953,968,186.01
  5. Step 5: Solve for x
    x = 372,953,968,186.01/694,904.70
  6. Step 6: Final answer
    x = 536,698.01

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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.