Home / 716,118.39-1,074,120.48-416,407.86

Finding the Fourth Proportional to 716,118.39, 1,074,120.48 and 416,407.86

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Solution

The fourth proportional to 716,118.39, 1,074,120.48 and 416,407.86 is: 624,578.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,118.39 : 1,074,120.48 = 416,407.86 : x
  2. Step 2: Convert to fraction form
    716,118.39/1,074,120.48 = 416,407.86/x
  3. Step 3: Cross multiply
    716,118.39x = 1,074,120.48 × 416,407.86
  4. Step 4: Simplify right side
    716,118.39x = 447,272,210,458.97
  5. Step 5: Solve for x
    x = 447,272,210,458.97/716,118.39
  6. Step 6: Final answer
    x = 624,578.58

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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.