Home / 1,679,881.52-2,318,186.04-915,950

Finding the Fourth Proportional to 1,679,881.52, 2,318,186.04 and 915,950

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Solution

The fourth proportional to 1,679,881.52, 2,318,186.04 and 915,950 is: 1,263,983.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,881.52 : 2,318,186.04 = 915,950 : x
  2. Step 2: Convert to fraction form
    1,679,881.52/2,318,186.04 = 915,950/x
  3. Step 3: Cross multiply
    1,679,881.52x = 2,318,186.04 × 915,950
  4. Step 4: Simplify right side
    1,679,881.52x = 2,123,342,503,338
  5. Step 5: Solve for x
    x = 2,123,342,503,338/1,679,881.52
  6. Step 6: Final answer
    x = 1,263,983.49

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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.