Home / 1,639,715.60-2,262,811.48-914,610.28

Finding the Fourth Proportional to 1,639,715.60, 2,262,811.48 and 914,610.28

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Solution

The fourth proportional to 1,639,715.60, 2,262,811.48 and 914,610.28 is: 1,262,164.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,715.60 : 2,262,811.48 = 914,610.28 : x
  2. Step 2: Convert to fraction form
    1,639,715.60/2,262,811.48 = 914,610.28/x
  3. Step 3: Cross multiply
    1,639,715.60x = 2,262,811.48 × 914,610.28
  4. Step 4: Simplify right side
    1,639,715.60x = 2,069,590,636,736.96
  5. Step 5: Solve for x
    x = 2,069,590,636,736.96/1,639,715.60
  6. Step 6: Final answer
    x = 1,262,164.39

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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.