Home / 759,571.40-1,048,056.90-419,974.04

Finding the Fourth Proportional to 759,571.40, 1,048,056.90 and 419,974.04

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Solution

The fourth proportional to 759,571.40, 1,048,056.90 and 419,974.04 is: 579,480.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,571.40 : 1,048,056.90 = 419,974.04 : x
  2. Step 2: Convert to fraction form
    759,571.40/1,048,056.90 = 419,974.04/x
  3. Step 3: Cross multiply
    759,571.40x = 1,048,056.90 × 419,974.04
  4. Step 4: Simplify right side
    759,571.40x = 440,156,690,442.88
  5. Step 5: Solve for x
    x = 440,156,690,442.88/759,571.40
  6. Step 6: Final answer
    x = 579,480.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.