Home / 1,518,161.67-2,277,641.27-545,624.11

Finding the Fourth Proportional to 1,518,161.67, 2,277,641.27 and 545,624.11

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Solution

The fourth proportional to 1,518,161.67, 2,277,641.27 and 545,624.11 is: 818,579.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,161.67 : 2,277,641.27 = 545,624.11 : x
  2. Step 2: Convert to fraction form
    1,518,161.67/2,277,641.27 = 545,624.11/x
  3. Step 3: Cross multiply
    1,518,161.67x = 2,277,641.27 × 545,624.11
  4. Step 4: Simplify right side
    1,518,161.67x = 1,242,735,990,843.02
  5. Step 5: Solve for x
    x = 1,242,735,990,843.02/1,518,161.67
  6. Step 6: Final answer
    x = 818,579.48

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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.