Home / 694,381.20-1,039,822.20-456,435.60

Finding the Fourth Proportional to 694,381.20, 1,039,822.20 and 456,435.60

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Solution

The fourth proportional to 694,381.20, 1,039,822.20 and 456,435.60 is: 683,503.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,381.20 : 1,039,822.20 = 456,435.60 : x
  2. Step 2: Convert to fraction form
    694,381.20/1,039,822.20 = 456,435.60/x
  3. Step 3: Cross multiply
    694,381.20x = 1,039,822.20 × 456,435.60
  4. Step 4: Simplify right side
    694,381.20x = 474,611,869,750.32
  5. Step 5: Solve for x
    x = 474,611,869,750.32/694,381.20
  6. Step 6: Final answer
    x = 683,503.34

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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.