Home / 683,071.71-942,590.28-377,098.66

Finding the Fourth Proportional to 683,071.71, 942,590.28 and 377,098.66

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Solution

The fourth proportional to 683,071.71, 942,590.28 and 377,098.66 is: 520,369.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,071.71 : 942,590.28 = 377,098.66 : x
  2. Step 2: Convert to fraction form
    683,071.71/942,590.28 = 377,098.66/x
  3. Step 3: Cross multiply
    683,071.71x = 942,590.28 × 377,098.66
  4. Step 4: Simplify right side
    683,071.71x = 355,449,531,517.03
  5. Step 5: Solve for x
    x = 355,449,531,517.03/683,071.71
  6. Step 6: Final answer
    x = 520,369.28

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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.