Home / 1,211,261.72-1,817,173.67-412,550.15

Finding the Fourth Proportional to 1,211,261.72, 1,817,173.67 and 412,550.15

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Solution

The fourth proportional to 1,211,261.72, 1,817,173.67 and 412,550.15 is: 618,920.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,261.72 : 1,817,173.67 = 412,550.15 : x
  2. Step 2: Convert to fraction form
    1,211,261.72/1,817,173.67 = 412,550.15/x
  3. Step 3: Cross multiply
    1,211,261.72x = 1,817,173.67 × 412,550.15
  4. Step 4: Simplify right side
    1,211,261.72x = 749,675,258,985.93
  5. Step 5: Solve for x
    x = 749,675,258,985.93/1,211,261.72
  6. Step 6: Final answer
    x = 618,920.96

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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.