Home / 1,227,521.86-1,693,927.29-887,399.62

Finding the Fourth Proportional to 1,227,521.86, 1,693,927.29 and 887,399.62

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Solution

The fourth proportional to 1,227,521.86, 1,693,927.29 and 887,399.62 is: 1,224,573.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,521.86 : 1,693,927.29 = 887,399.62 : x
  2. Step 2: Convert to fraction form
    1,227,521.86/1,693,927.29 = 887,399.62/x
  3. Step 3: Cross multiply
    1,227,521.86x = 1,693,927.29 × 887,399.62
  4. Step 4: Simplify right side
    1,227,521.86x = 1,503,190,433,453.63
  5. Step 5: Solve for x
    x = 1,503,190,433,453.63/1,227,521.86
  6. Step 6: Final answer
    x = 1,224,573.25

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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.