Home / 995,915.90-1,491,905.55-545,831.30

Finding the Fourth Proportional to 995,915.90, 1,491,905.55 and 545,831.30

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Solution

The fourth proportional to 995,915.90, 1,491,905.55 and 545,831.30 is: 817,668.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,915.90 : 1,491,905.55 = 545,831.30 : x
  2. Step 2: Convert to fraction form
    995,915.90/1,491,905.55 = 545,831.30/x
  3. Step 3: Cross multiply
    995,915.90x = 1,491,905.55 × 545,831.30
  4. Step 4: Simplify right side
    995,915.90x = 814,328,745,833.72
  5. Step 5: Solve for x
    x = 814,328,745,833.72/995,915.90
  6. Step 6: Final answer
    x = 817,668.18

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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.