Home / 1,411,231.88-2,117,204.22-612,319.16

Finding the Fourth Proportional to 1,411,231.88, 2,117,204.22 and 612,319.16

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Solution

The fourth proportional to 1,411,231.88, 2,117,204.22 and 612,319.16 is: 918,633.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,231.88 : 2,117,204.22 = 612,319.16 : x
  2. Step 2: Convert to fraction form
    1,411,231.88/2,117,204.22 = 612,319.16/x
  3. Step 3: Cross multiply
    1,411,231.88x = 2,117,204.22 × 612,319.16
  4. Step 4: Simplify right side
    1,411,231.88x = 1,296,404,709,538.86
  5. Step 5: Solve for x
    x = 1,296,404,709,538.86/1,411,231.88
  6. Step 6: Final answer
    x = 918,633.38

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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.