Home / 1,639,613.76-2,459,735.86-628,656.87

Finding the Fourth Proportional to 1,639,613.76, 2,459,735.86 and 628,656.87

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Solution

The fourth proportional to 1,639,613.76, 2,459,735.86 and 628,656.87 is: 943,106.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,613.76 : 2,459,735.86 = 628,656.87 : x
  2. Step 2: Convert to fraction form
    1,639,613.76/2,459,735.86 = 628,656.87/x
  3. Step 3: Cross multiply
    1,639,613.76x = 2,459,735.86 × 628,656.87
  4. Step 4: Simplify right side
    1,639,613.76x = 1,546,329,846,774.36
  5. Step 5: Solve for x
    x = 1,546,329,846,774.36/1,639,613.76
  6. Step 6: Final answer
    x = 943,106.17

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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.