Home / 1,190,581.61-1,643,032.25-646,717.23

Finding the Fourth Proportional to 1,190,581.61, 1,643,032.25 and 646,717.23

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Solution

The fourth proportional to 1,190,581.61, 1,643,032.25 and 646,717.23 is: 892,485.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,581.61 : 1,643,032.25 = 646,717.23 : x
  2. Step 2: Convert to fraction form
    1,190,581.61/1,643,032.25 = 646,717.23/x
  3. Step 3: Cross multiply
    1,190,581.61x = 1,643,032.25 × 646,717.23
  4. Step 4: Simplify right side
    1,190,581.61x = 1,062,577,264,712.27
  5. Step 5: Solve for x
    x = 1,062,577,264,712.27/1,190,581.61
  6. Step 6: Final answer
    x = 892,485.87

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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.