Home / 1,190,724.95-1,643,193.87-646,856.39

Finding the Fourth Proportional to 1,190,724.95, 1,643,193.87 and 646,856.39

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Solution

The fourth proportional to 1,190,724.95, 1,643,193.87 and 646,856.39 is: 892,658.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,724.95 : 1,643,193.87 = 646,856.39 : x
  2. Step 2: Convert to fraction form
    1,190,724.95/1,643,193.87 = 646,856.39/x
  3. Step 3: Cross multiply
    1,190,724.95x = 1,643,193.87 × 646,856.39
  4. Step 4: Simplify right side
    1,190,724.95x = 1,062,910,454,818.33
  5. Step 5: Solve for x
    x = 1,062,910,454,818.33/1,190,724.95
  6. Step 6: Final answer
    x = 892,658.25

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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.