Home / 1,212,351.11-1,817,999.68-347,595.59

Finding the Fourth Proportional to 1,212,351.11, 1,817,999.68 and 347,595.59

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Solution

The fourth proportional to 1,212,351.11, 1,817,999.68 and 347,595.59 is: 521,242.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,351.11 : 1,817,999.68 = 347,595.59 : x
  2. Step 2: Convert to fraction form
    1,212,351.11/1,817,999.68 = 347,595.59/x
  3. Step 3: Cross multiply
    1,212,351.11x = 1,817,999.68 × 347,595.59
  4. Step 4: Simplify right side
    1,212,351.11x = 631,928,672,671.83
  5. Step 5: Solve for x
    x = 631,928,672,671.83/1,212,351.11
  6. Step 6: Final answer
    x = 521,242.29

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1.5x scale

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.