Home / 1,719,407.70-2,579,111.55-869,102.10

Finding the Fourth Proportional to 1,719,407.70, 2,579,111.55 and 869,102.10

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Solution

The fourth proportional to 1,719,407.70, 2,579,111.55 and 869,102.10 is: 1,303,653.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,407.70 : 2,579,111.55 = 869,102.10 : x
  2. Step 2: Convert to fraction form
    1,719,407.70/2,579,111.55 = 869,102.10/x
  3. Step 3: Cross multiply
    1,719,407.70x = 2,579,111.55 × 869,102.10
  4. Step 4: Simplify right side
    1,719,407.70x = 2,241,511,264,239.26
  5. Step 5: Solve for x
    x = 2,241,511,264,239.26/1,719,407.70
  6. Step 6: Final answer
    x = 1,303,653.15

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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.