Home / 1,116,594.22-1,540,405.84-686,620.30

Finding the Fourth Proportional to 1,116,594.22, 1,540,405.84 and 686,620.30

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Solution

The fourth proportional to 1,116,594.22, 1,540,405.84 and 686,620.30 is: 947,232.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,594.22 : 1,540,405.84 = 686,620.30 : x
  2. Step 2: Convert to fraction form
    1,116,594.22/1,540,405.84 = 686,620.30/x
  3. Step 3: Cross multiply
    1,116,594.22x = 1,540,405.84 × 686,620.30
  4. Step 4: Simplify right side
    1,116,594.22x = 1,057,673,919,982.55
  5. Step 5: Solve for x
    x = 1,057,673,919,982.55/1,116,594.22
  6. Step 6: Final answer
    x = 947,232.13

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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.