Home / 929,228.22-1,393,546.95-631,621.26

Finding the Fourth Proportional to 929,228.22, 1,393,546.95 and 631,621.26

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Solution

The fourth proportional to 929,228.22, 1,393,546.95 and 631,621.26 is: 947,231.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,228.22 : 1,393,546.95 = 631,621.26 : x
  2. Step 2: Convert to fraction form
    929,228.22/1,393,546.95 = 631,621.26/x
  3. Step 3: Cross multiply
    929,228.22x = 1,393,546.95 × 631,621.26
  4. Step 4: Simplify right side
    929,228.22x = 880,193,880,428.16
  5. Step 5: Solve for x
    x = 880,193,880,428.16/929,228.22
  6. Step 6: Final answer
    x = 947,231.11

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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.