Home / 890,651.91-1,229,069.74-527,860.39

Finding the Fourth Proportional to 890,651.91, 1,229,069.74 and 527,860.39

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Solution

The fourth proportional to 890,651.91, 1,229,069.74 and 527,860.39 is: 728,429.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,651.91 : 1,229,069.74 = 527,860.39 : x
  2. Step 2: Convert to fraction form
    890,651.91/1,229,069.74 = 527,860.39/x
  3. Step 3: Cross multiply
    890,651.91x = 1,229,069.74 × 527,860.39
  4. Step 4: Simplify right side
    890,651.91x = 648,777,232,293.60
  5. Step 5: Solve for x
    x = 648,777,232,293.60/890,651.91
  6. Step 6: Final answer
    x = 728,429.62

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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.