Home / 1,765,398.72-2,436,178.50-1,001,435.88

Finding the Fourth Proportional to 1,765,398.72, 2,436,178.50 and 1,001,435.88

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Solution

The fourth proportional to 1,765,398.72, 2,436,178.50 and 1,001,435.88 is: 1,381,940.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765,398.72 : 2,436,178.50 = 1,001,435.88 : x
  2. Step 2: Convert to fraction form
    1,765,398.72/2,436,178.50 = 1,001,435.88/x
  3. Step 3: Cross multiply
    1,765,398.72x = 2,436,178.50 × 1,001,435.88
  4. Step 4: Simplify right side
    1,765,398.72x = 2,439,676,559,984.58
  5. Step 5: Solve for x
    x = 2,439,676,559,984.58/1,765,398.72
  6. Step 6: Final answer
    x = 1,381,940.82

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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.