Home / 838,696.26-1,157,414.03-456,722.74

Finding the Fourth Proportional to 838,696.26, 1,157,414.03 and 456,722.74

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Solution

The fourth proportional to 838,696.26, 1,157,414.03 and 456,722.74 is: 630,284.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,696.26 : 1,157,414.03 = 456,722.74 : x
  2. Step 2: Convert to fraction form
    838,696.26/1,157,414.03 = 456,722.74/x
  3. Step 3: Cross multiply
    838,696.26x = 1,157,414.03 × 456,722.74
  4. Step 4: Simplify right side
    838,696.26x = 528,617,307,096.04
  5. Step 5: Solve for x
    x = 528,617,307,096.04/838,696.26
  6. Step 6: Final answer
    x = 630,284.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.