Home / 1,227,372.51-1,840,443.06-715,203.54

Finding the Fourth Proportional to 1,227,372.51, 1,840,443.06 and 715,203.54

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Solution

The fourth proportional to 1,227,372.51, 1,840,443.06 and 715,203.54 is: 1,072,446.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,372.51 : 1,840,443.06 = 715,203.54 : x
  2. Step 2: Convert to fraction form
    1,227,372.51/1,840,443.06 = 715,203.54/x
  3. Step 3: Cross multiply
    1,227,372.51x = 1,840,443.06 × 715,203.54
  4. Step 4: Simplify right side
    1,227,372.51x = 1,316,291,391,680.43
  5. Step 5: Solve for x
    x = 1,316,291,391,680.43/1,227,372.51
  6. Step 6: Final answer
    x = 1,072,446.53

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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.