Home / 1,190,583.61-1,643,035.01-646,719.23

Finding the Fourth Proportional to 1,190,583.61, 1,643,035.01 and 646,719.23

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Solution

The fourth proportional to 1,190,583.61, 1,643,035.01 and 646,719.23 is: 892,488.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,583.61 : 1,643,035.01 = 646,719.23 : x
  2. Step 2: Convert to fraction form
    1,190,583.61/1,643,035.01 = 646,719.23/x
  3. Step 3: Cross multiply
    1,190,583.61x = 1,643,035.01 × 646,719.23
  4. Step 4: Simplify right side
    1,190,583.61x = 1,062,582,336,530.24
  5. Step 5: Solve for x
    x = 1,062,582,336,530.24/1,190,583.61
  6. Step 6: Final answer
    x = 892,488.63

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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.