Home / 1,490,973.89-2,057,489.96-911,167.03

Finding the Fourth Proportional to 1,490,973.89, 2,057,489.96 and 911,167.03

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Solution

The fourth proportional to 1,490,973.89, 2,057,489.96 and 911,167.03 is: 1,257,377.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,973.89 : 2,057,489.96 = 911,167.03 : x
  2. Step 2: Convert to fraction form
    1,490,973.89/2,057,489.96 = 911,167.03/x
  3. Step 3: Cross multiply
    1,490,973.89x = 2,057,489.96 × 911,167.03
  4. Step 4: Simplify right side
    1,490,973.89x = 1,874,717,007,675.98
  5. Step 5: Solve for x
    x = 1,874,717,007,675.98/1,490,973.89
  6. Step 6: Final answer
    x = 1,257,377.49

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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.