Home / 1,405,941.42-1,940,200.20-761,362.32

Finding the Fourth Proportional to 1,405,941.42, 1,940,200.20 and 761,362.32

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Solution

The fourth proportional to 1,405,941.42, 1,940,200.20 and 761,362.32 is: 1,050,680.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,941.42 : 1,940,200.20 = 761,362.32 : x
  2. Step 2: Convert to fraction form
    1,405,941.42/1,940,200.20 = 761,362.32/x
  3. Step 3: Cross multiply
    1,405,941.42x = 1,940,200.20 × 761,362.32
  4. Step 4: Simplify right side
    1,405,941.42x = 1,477,195,325,536.46
  5. Step 5: Solve for x
    x = 1,477,195,325,536.46/1,405,941.42
  6. Step 6: Final answer
    x = 1,050,680.57

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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.