Home / 1,411,531.11-1,947,909.69-766,953.90

Finding the Fourth Proportional to 1,411,531.11, 1,947,909.69 and 766,953.90

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Solution

The fourth proportional to 1,411,531.11, 1,947,909.69 and 766,953.90 is: 1,058,394.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,531.11 : 1,947,909.69 = 766,953.90 : x
  2. Step 2: Convert to fraction form
    1,411,531.11/1,947,909.69 = 766,953.90/x
  3. Step 3: Cross multiply
    1,411,531.11x = 1,947,909.69 × 766,953.90
  4. Step 4: Simplify right side
    1,411,531.11x = 1,493,956,933,593.29
  5. Step 5: Solve for x
    x = 1,493,956,933,593.29/1,411,531.11
  6. Step 6: Final answer
    x = 1,058,394.62

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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.