Home / 1,116,594.21-1,540,405.83-686,620.29

Finding the Fourth Proportional to 1,116,594.21, 1,540,405.83 and 686,620.29

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Solution

The fourth proportional to 1,116,594.21, 1,540,405.83 and 686,620.29 is: 947,232.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,594.21 : 1,540,405.83 = 686,620.29 : x
  2. Step 2: Convert to fraction form
    1,116,594.21/1,540,405.83 = 686,620.29/x
  3. Step 3: Cross multiply
    1,116,594.21x = 1,540,405.83 × 686,620.29
  4. Step 4: Simplify right side
    1,116,594.21x = 1,057,673,897,712.29
  5. Step 5: Solve for x
    x = 1,057,673,897,712.29/1,116,594.21
  6. Step 6: Final answer
    x = 947,232.12

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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.