Home / 691,046.95-1,036,622.90-235,496.60

Finding the Fourth Proportional to 691,046.95, 1,036,622.90 and 235,496.60

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Solution

The fourth proportional to 691,046.95, 1,036,622.90 and 235,496.60 is: 353,262.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,046.95 : 1,036,622.90 = 235,496.60 : x
  2. Step 2: Convert to fraction form
    691,046.95/1,036,622.90 = 235,496.60/x
  3. Step 3: Cross multiply
    691,046.95x = 1,036,622.90 × 235,496.60
  4. Step 4: Simplify right side
    691,046.95x = 244,121,168,432.14
  5. Step 5: Solve for x
    x = 244,121,168,432.14/691,046.95
  6. Step 6: Final answer
    x = 353,262.78

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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.