Home / 1,678,241.52-2,316,848.40-1,304,876.88

Finding the Fourth Proportional to 1,678,241.52, 2,316,848.40 and 1,304,876.88

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Solution

The fourth proportional to 1,678,241.52, 2,316,848.40 and 1,304,876.88 is: 1,801,410.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,241.52 : 2,316,848.40 = 1,304,876.88 : x
  2. Step 2: Convert to fraction form
    1,678,241.52/2,316,848.40 = 1,304,876.88/x
  3. Step 3: Cross multiply
    1,678,241.52x = 2,316,848.40 × 1,304,876.88
  4. Step 4: Simplify right side
    1,678,241.52x = 3,023,201,911,624.99
  5. Step 5: Solve for x
    x = 3,023,201,911,624.99/1,678,241.52
  6. Step 6: Final answer
    x = 1,801,410.51

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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.