Home / 743,219.56-1,115,295.90-695,397.16

Finding the Fourth Proportional to 743,219.56, 1,115,295.90 and 695,397.16

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Solution

The fourth proportional to 743,219.56, 1,115,295.90 and 695,397.16 is: 1,043,532.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,219.56 : 1,115,295.90 = 695,397.16 : x
  2. Step 2: Convert to fraction form
    743,219.56/1,115,295.90 = 695,397.16/x
  3. Step 3: Cross multiply
    743,219.56x = 1,115,295.90 × 695,397.16
  4. Step 4: Simplify right side
    743,219.56x = 775,573,601,419.64
  5. Step 5: Solve for x
    x = 775,573,601,419.64/743,219.56
  6. Step 6: Final answer
    x = 1,043,532.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.