Home / 1,117,877.49-1,676,843.82-407,905.38

Finding the Fourth Proportional to 1,117,877.49, 1,676,843.82 and 407,905.38

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Solution

The fourth proportional to 1,117,877.49, 1,676,843.82 and 407,905.38 is: 611,868.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,877.49 : 1,676,843.82 = 407,905.38 : x
  2. Step 2: Convert to fraction form
    1,117,877.49/1,676,843.82 = 407,905.38/x
  3. Step 3: Cross multiply
    1,117,877.49x = 1,676,843.82 × 407,905.38
  4. Step 4: Simplify right side
    1,117,877.49x = 683,993,615,597.75
  5. Step 5: Solve for x
    x = 683,993,615,597.75/1,117,877.49
  6. Step 6: Final answer
    x = 611,868.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.