Home / 1,411,492.05-2,116,047.85-612,171.56

Finding the Fourth Proportional to 1,411,492.05, 2,116,047.85 and 612,171.56

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Solution

The fourth proportional to 1,411,492.05, 2,116,047.85 and 612,171.56 is: 917,741.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,492.05 : 2,116,047.85 = 612,171.56 : x
  2. Step 2: Convert to fraction form
    1,411,492.05/2,116,047.85 = 612,171.56/x
  3. Step 3: Cross multiply
    1,411,492.05x = 2,116,047.85 × 612,171.56
  4. Step 4: Simplify right side
    1,411,492.05x = 1,295,384,317,128.84
  5. Step 5: Solve for x
    x = 1,295,384,317,128.84/1,411,492.05
  6. Step 6: Final answer
    x = 917,741.14

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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.