Home / 1,212,448.86-1,818,145.08-347,693

Finding the Fourth Proportional to 1,212,448.86, 1,818,145.08 and 347,693

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Solution

The fourth proportional to 1,212,448.86, 1,818,145.08 and 347,693 is: 521,388.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,448.86 : 1,818,145.08 = 347,693 : x
  2. Step 2: Convert to fraction form
    1,212,448.86/1,818,145.08 = 347,693/x
  3. Step 3: Cross multiply
    1,212,448.86x = 1,818,145.08 × 347,693
  4. Step 4: Simplify right side
    1,212,448.86x = 632,156,317,300.44
  5. Step 5: Solve for x
    x = 632,156,317,300.44/1,212,448.86
  6. Step 6: Final answer
    x = 521,388.03

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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.