Home / 1,328,847.60-1,993,199.84-654,256.32

Finding the Fourth Proportional to 1,328,847.60, 1,993,199.84 and 654,256.32

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Solution

The fourth proportional to 1,328,847.60, 1,993,199.84 and 654,256.32 is: 981,349.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,847.60 : 1,993,199.84 = 654,256.32 : x
  2. Step 2: Convert to fraction form
    1,328,847.60/1,993,199.84 = 654,256.32/x
  3. Step 3: Cross multiply
    1,328,847.60x = 1,993,199.84 × 654,256.32
  4. Step 4: Simplify right side
    1,328,847.60x = 1,304,063,592,342.99
  5. Step 5: Solve for x
    x = 1,304,063,592,342.99/1,328,847.60
  6. Step 6: Final answer
    x = 981,349.25

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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.