Home / 810,643.14-1,119,191.58-562,734.54

Finding the Fourth Proportional to 810,643.14, 1,119,191.58 and 562,734.54

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Solution

The fourth proportional to 810,643.14, 1,119,191.58 and 562,734.54 is: 776,923.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,643.14 : 1,119,191.58 = 562,734.54 : x
  2. Step 2: Convert to fraction form
    810,643.14/1,119,191.58 = 562,734.54/x
  3. Step 3: Cross multiply
    810,643.14x = 1,119,191.58 × 562,734.54
  4. Step 4: Simplify right side
    810,643.14x = 629,807,758,943.17
  5. Step 5: Solve for x
    x = 629,807,758,943.17/810,643.14
  6. Step 6: Final answer
    x = 776,923.57

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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.