Home / 883,858.50-1,219,667.29-521,199.23

Finding the Fourth Proportional to 883,858.50, 1,219,667.29 and 521,199.23

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Solution

The fourth proportional to 883,858.50, 1,219,667.29 and 521,199.23 is: 719,221.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,858.50 : 1,219,667.29 = 521,199.23 : x
  2. Step 2: Convert to fraction form
    883,858.50/1,219,667.29 = 521,199.23/x
  3. Step 3: Cross multiply
    883,858.50x = 1,219,667.29 × 521,199.23
  4. Step 4: Simplify right side
    883,858.50x = 635,689,645,002.85
  5. Step 5: Solve for x
    x = 635,689,645,002.85/883,858.50
  6. Step 6: Final answer
    x = 719,221.06

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1.5x scale

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.