Home / 862,205.29-1,291,099.71-719,696.26

Finding the Fourth Proportional to 862,205.29, 1,291,099.71 and 719,696.26

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Solution

The fourth proportional to 862,205.29, 1,291,099.71 and 719,696.26 is: 1,077,701.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,205.29 : 1,291,099.71 = 719,696.26 : x
  2. Step 2: Convert to fraction form
    862,205.29/1,291,099.71 = 719,696.26/x
  3. Step 3: Cross multiply
    862,205.29x = 1,291,099.71 × 719,696.26
  4. Step 4: Simplify right side
    862,205.29x = 929,199,632,574.09
  5. Step 5: Solve for x
    x = 929,199,632,574.09/862,205.29
  6. Step 6: Final answer
    x = 1,077,701.15

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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.