Home / 757,518.75-1,136,468.43-217,776.02

Finding the Fourth Proportional to 757,518.75, 1,136,468.43 and 217,776.02

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Solution

The fourth proportional to 757,518.75, 1,136,468.43 and 217,776.02 is: 326,718.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,518.75 : 1,136,468.43 = 217,776.02 : x
  2. Step 2: Convert to fraction form
    757,518.75/1,136,468.43 = 217,776.02/x
  3. Step 3: Cross multiply
    757,518.75x = 1,136,468.43 × 217,776.02
  4. Step 4: Simplify right side
    757,518.75x = 247,495,565,858.71
  5. Step 5: Solve for x
    x = 247,495,565,858.71/757,518.75
  6. Step 6: Final answer
    x = 326,718.73

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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.