Home / 1,424,444.68-2,136,987.06-477,791.20

Finding the Fourth Proportional to 1,424,444.68, 2,136,987.06 and 477,791.20

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Solution

The fourth proportional to 1,424,444.68, 2,136,987.06 and 477,791.20 is: 716,794.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,444.68 : 2,136,987.06 = 477,791.20 : x
  2. Step 2: Convert to fraction form
    1,424,444.68/2,136,987.06 = 477,791.20/x
  3. Step 3: Cross multiply
    1,424,444.68x = 2,136,987.06 × 477,791.20
  4. Step 4: Simplify right side
    1,424,444.68x = 1,021,033,611,781.87
  5. Step 5: Solve for x
    x = 1,021,033,611,781.87/1,424,444.68
  6. Step 6: Final answer
    x = 716,794.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.