Home / 1,223,366.16-1,688,858.91-764,735.85

Finding the Fourth Proportional to 1,223,366.16, 1,688,858.91 and 764,735.85

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Solution

The fourth proportional to 1,223,366.16, 1,688,858.91 and 764,735.85 is: 1,055,719.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,366.16 : 1,688,858.91 = 764,735.85 : x
  2. Step 2: Convert to fraction form
    1,223,366.16/1,688,858.91 = 764,735.85/x
  3. Step 3: Cross multiply
    1,223,366.16x = 1,688,858.91 × 764,735.85
  4. Step 4: Simplify right side
    1,223,366.16x = 1,291,530,954,068.92
  5. Step 5: Solve for x
    x = 1,291,530,954,068.92/1,223,366.16
  6. Step 6: Final answer
    x = 1,055,719.04

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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.