Home / 767,644.46-1,150,329.45-311,681.23

Finding the Fourth Proportional to 767,644.46, 1,150,329.45 and 311,681.23

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Solution

The fourth proportional to 767,644.46, 1,150,329.45 and 311,681.23 is: 467,060.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,644.46 : 1,150,329.45 = 311,681.23 : x
  2. Step 2: Convert to fraction form
    767,644.46/1,150,329.45 = 311,681.23/x
  3. Step 3: Cross multiply
    767,644.46x = 1,150,329.45 × 311,681.23
  4. Step 4: Simplify right side
    767,644.46x = 358,536,096,174.20
  5. Step 5: Solve for x
    x = 358,536,096,174.20/767,644.46
  6. Step 6: Final answer
    x = 467,060.10

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Double scale
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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.