Home / 1,117,837.52-1,677,003.68-407,863.51

Finding the Fourth Proportional to 1,117,837.52, 1,677,003.68 and 407,863.51

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Solution

The fourth proportional to 1,117,837.52, 1,677,003.68 and 407,863.51 is: 611,885.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,837.52 : 1,677,003.68 = 407,863.51 : x
  2. Step 2: Convert to fraction form
    1,117,837.52/1,677,003.68 = 407,863.51/x
  3. Step 3: Cross multiply
    1,117,837.52x = 1,677,003.68 × 407,863.51
  4. Step 4: Simplify right side
    1,117,837.52x = 683,988,604,034.87
  5. Step 5: Solve for x
    x = 683,988,604,034.87/1,117,837.52
  6. Step 6: Final answer
    x = 611,885.53

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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.