Home / 1,031,961.49-1,424,781.34-670,415.76

Finding the Fourth Proportional to 1,031,961.49, 1,424,781.34 and 670,415.76

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Solution

The fourth proportional to 1,031,961.49, 1,424,781.34 and 670,415.76 is: 925,611.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,961.49 : 1,424,781.34 = 670,415.76 : x
  2. Step 2: Convert to fraction form
    1,031,961.49/1,424,781.34 = 670,415.76/x
  3. Step 3: Cross multiply
    1,031,961.49x = 1,424,781.34 × 670,415.76
  4. Step 4: Simplify right side
    1,031,961.49x = 955,195,863,213.88
  5. Step 5: Solve for x
    x = 955,195,863,213.88/1,031,961.49
  6. Step 6: Final answer
    x = 925,611.93

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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.