Home / 1,099,643.37-1,517,483.25-640,729.41

Finding the Fourth Proportional to 1,099,643.37, 1,517,483.25 and 640,729.41

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Solution

The fourth proportional to 1,099,643.37, 1,517,483.25 and 640,729.41 is: 884,192.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,643.37 : 1,517,483.25 = 640,729.41 : x
  2. Step 2: Convert to fraction form
    1,099,643.37/1,517,483.25 = 640,729.41/x
  3. Step 3: Cross multiply
    1,099,643.37x = 1,517,483.25 × 640,729.41
  4. Step 4: Simplify right side
    1,099,643.37x = 972,296,147,457.38
  5. Step 5: Solve for x
    x = 972,296,147,457.38/1,099,643.37
  6. Step 6: Final answer
    x = 884,192.25

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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.