Home / 2,688,903.60-4,033,355.40-694,359.60

Finding the Fourth Proportional to 2,688,903.60, 4,033,355.40 and 694,359.60

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Solution

The fourth proportional to 2,688,903.60, 4,033,355.40 and 694,359.60 is: 1,041,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,903.60 : 4,033,355.40 = 694,359.60 : x
  2. Step 2: Convert to fraction form
    2,688,903.60/4,033,355.40 = 694,359.60/x
  3. Step 3: Cross multiply
    2,688,903.60x = 4,033,355.40 × 694,359.60
  4. Step 4: Simplify right side
    2,688,903.60x = 2,800,599,042,201.84
  5. Step 5: Solve for x
    x = 2,800,599,042,201.84/2,688,903.60
  6. Step 6: Final answer
    x = 1,041,539.40

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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.