Home / 1,512,132.47-2,086,718.36-823,812.56

Finding the Fourth Proportional to 1,512,132.47, 2,086,718.36 and 823,812.56

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Solution

The fourth proportional to 1,512,132.47, 2,086,718.36 and 823,812.56 is: 1,136,848.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,132.47 : 2,086,718.36 = 823,812.56 : x
  2. Step 2: Convert to fraction form
    1,512,132.47/2,086,718.36 = 823,812.56/x
  3. Step 3: Cross multiply
    1,512,132.47x = 2,086,718.36 × 823,812.56
  4. Step 4: Simplify right side
    1,512,132.47x = 1,719,064,779,597.95
  5. Step 5: Solve for x
    x = 1,719,064,779,597.95/1,512,132.47
  6. Step 6: Final answer
    x = 1,136,848.01

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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.