Home / 890,715.50-1,230,208.91-586,151.55

Finding the Fourth Proportional to 890,715.50, 1,230,208.91 and 586,151.55

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Solution

The fourth proportional to 890,715.50, 1,230,208.91 and 586,151.55 is: 809,561.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,715.50 : 1,230,208.91 = 586,151.55 : x
  2. Step 2: Convert to fraction form
    890,715.50/1,230,208.91 = 586,151.55/x
  3. Step 3: Cross multiply
    890,715.50x = 1,230,208.91 × 586,151.55
  4. Step 4: Simplify right side
    890,715.50x = 721,088,858,687.62
  5. Step 5: Solve for x
    x = 721,088,858,687.62/890,715.50
  6. Step 6: Final answer
    x = 809,561.37

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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.