Home / 1,404,677.21-1,938,463.50-823,781.90

Finding the Fourth Proportional to 1,404,677.21, 1,938,463.50 and 823,781.90

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Solution

The fourth proportional to 1,404,677.21, 1,938,463.50 and 823,781.90 is: 1,136,824.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,677.21 : 1,938,463.50 = 823,781.90 : x
  2. Step 2: Convert to fraction form
    1,404,677.21/1,938,463.50 = 823,781.90/x
  3. Step 3: Cross multiply
    1,404,677.21x = 1,938,463.50 × 823,781.90
  4. Step 4: Simplify right side
    1,404,677.21x = 1,596,871,145,110.65
  5. Step 5: Solve for x
    x = 1,596,871,145,110.65/1,404,677.21
  6. Step 6: Final answer
    x = 1,136,824.27

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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.