Home / 694,419.46-958,326.11-407,937.04

Finding the Fourth Proportional to 694,419.46, 958,326.11 and 407,937.04

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Solution

The fourth proportional to 694,419.46, 958,326.11 and 407,937.04 is: 562,969.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,419.46 : 958,326.11 = 407,937.04 : x
  2. Step 2: Convert to fraction form
    694,419.46/958,326.11 = 407,937.04/x
  3. Step 3: Cross multiply
    694,419.46x = 958,326.11 × 407,937.04
  4. Step 4: Simplify right side
    694,419.46x = 390,936,716,668.11
  5. Step 5: Solve for x
    x = 390,936,716,668.11/694,419.46
  6. Step 6: Final answer
    x = 562,969.13

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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.