Home / 784,998.30-1,083,317.55-440,861.70

Finding the Fourth Proportional to 784,998.30, 1,083,317.55 and 440,861.70

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Solution

The fourth proportional to 784,998.30, 1,083,317.55 and 440,861.70 is: 608,400.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,998.30 : 1,083,317.55 = 440,861.70 : x
  2. Step 2: Convert to fraction form
    784,998.30/1,083,317.55 = 440,861.70/x
  3. Step 3: Cross multiply
    784,998.30x = 1,083,317.55 × 440,861.70
  4. Step 4: Simplify right side
    784,998.30x = 477,593,216,732.84
  5. Step 5: Solve for x
    x = 477,593,216,732.84/784,998.30
  6. Step 6: Final answer
    x = 608,400.32

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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.