Home / 1,401,072.66-1,933,483.77-812,486.16

Finding the Fourth Proportional to 1,401,072.66, 1,933,483.77 and 812,486.16

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Solution

The fourth proportional to 1,401,072.66, 1,933,483.77 and 812,486.16 is: 1,121,232.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,072.66 : 1,933,483.77 = 812,486.16 : x
  2. Step 2: Convert to fraction form
    1,401,072.66/1,933,483.77 = 812,486.16/x
  3. Step 3: Cross multiply
    1,401,072.66x = 1,933,483.77 × 812,486.16
  4. Step 4: Simplify right side
    1,401,072.66x = 1,570,928,803,709.62
  5. Step 5: Solve for x
    x = 1,570,928,803,709.62/1,401,072.66
  6. Step 6: Final answer
    x = 1,121,232.93

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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.