Home / 814,113.44-1,220,300.04-434,800.16

Finding the Fourth Proportional to 814,113.44, 1,220,300.04 and 434,800.16

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Solution

The fourth proportional to 814,113.44, 1,220,300.04 and 434,800.16 is: 651,735.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,113.44 : 1,220,300.04 = 434,800.16 : x
  2. Step 2: Convert to fraction form
    814,113.44/1,220,300.04 = 434,800.16/x
  3. Step 3: Cross multiply
    814,113.44x = 1,220,300.04 × 434,800.16
  4. Step 4: Simplify right side
    814,113.44x = 530,586,652,640.01
  5. Step 5: Solve for x
    x = 530,586,652,640.01/814,113.44
  6. Step 6: Final answer
    x = 651,735.53

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1.5x scale

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.