Home / 770,528.84-1,156,022.22-371,054.12

Finding the Fourth Proportional to 770,528.84, 1,156,022.22 and 371,054.12

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Solution

The fourth proportional to 770,528.84, 1,156,022.22 and 371,054.12 is: 556,691.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,528.84 : 1,156,022.22 = 371,054.12 : x
  2. Step 2: Convert to fraction form
    770,528.84/1,156,022.22 = 371,054.12/x
  3. Step 3: Cross multiply
    770,528.84x = 1,156,022.22 × 371,054.12
  4. Step 4: Simplify right side
    770,528.84x = 428,946,807,542.55
  5. Step 5: Solve for x
    x = 428,946,807,542.55/770,528.84
  6. Step 6: Final answer
    x = 556,691.44

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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.