Home / 1,396,313.76-1,926,339.12-886,830.24

Finding the Fourth Proportional to 1,396,313.76, 1,926,339.12 and 886,830.24

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Solution

The fourth proportional to 1,396,313.76, 1,926,339.12 and 886,830.24 is: 1,223,461.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,313.76 : 1,926,339.12 = 886,830.24 : x
  2. Step 2: Convert to fraction form
    1,396,313.76/1,926,339.12 = 886,830.24/x
  3. Step 3: Cross multiply
    1,396,313.76x = 1,926,339.12 × 886,830.24
  4. Step 4: Simplify right side
    1,396,313.76x = 1,708,335,784,110.99
  5. Step 5: Solve for x
    x = 1,708,335,784,110.99/1,396,313.76
  6. Step 6: Final answer
    x = 1,223,461.25

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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.