Home / 1,099,644.37-1,517,484.63-640,730.41

Finding the Fourth Proportional to 1,099,644.37, 1,517,484.63 and 640,730.41

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Solution

The fourth proportional to 1,099,644.37, 1,517,484.63 and 640,730.41 is: 884,193.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,644.37 : 1,517,484.63 = 640,730.41 : x
  2. Step 2: Convert to fraction form
    1,099,644.37/1,517,484.63 = 640,730.41/x
  3. Step 3: Cross multiply
    1,099,644.37x = 1,517,484.63 × 640,730.41
  4. Step 4: Simplify right side
    1,099,644.37x = 972,298,549,148.60
  5. Step 5: Solve for x
    x = 972,298,549,148.60/1,099,644.37
  6. Step 6: Final answer
    x = 884,193.63

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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.