Home / 770,174.73-1,153,499.13-469,994.40

Finding the Fourth Proportional to 770,174.73, 1,153,499.13 and 469,994.40

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Solution

The fourth proportional to 770,174.73, 1,153,499.13 and 469,994.40 is: 703,915.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,174.73 : 1,153,499.13 = 469,994.40 : x
  2. Step 2: Convert to fraction form
    770,174.73/1,153,499.13 = 469,994.40/x
  3. Step 3: Cross multiply
    770,174.73x = 1,153,499.13 × 469,994.40
  4. Step 4: Simplify right side
    770,174.73x = 542,138,131,504.87
  5. Step 5: Solve for x
    x = 542,138,131,504.87/770,174.73
  6. Step 6: Final answer
    x = 703,915.76

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1.5x scale

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.