Home / 1,022,698.88-1,534,269.75-391,612.70

Finding the Fourth Proportional to 1,022,698.88, 1,534,269.75 and 391,612.70

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Solution

The fourth proportional to 1,022,698.88, 1,534,269.75 and 391,612.70 is: 587,503.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,698.88 : 1,534,269.75 = 391,612.70 : x
  2. Step 2: Convert to fraction form
    1,022,698.88/1,534,269.75 = 391,612.70/x
  3. Step 3: Cross multiply
    1,022,698.88x = 1,534,269.75 × 391,612.70
  4. Step 4: Simplify right side
    1,022,698.88x = 600,839,511,654.48
  5. Step 5: Solve for x
    x = 600,839,511,654.48/1,022,698.88
  6. Step 6: Final answer
    x = 587,503.84

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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.