Home / 814,440.15-1,215,047.16-770,350.23

Finding the Fourth Proportional to 814,440.15, 1,215,047.16 and 770,350.23

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Solution

The fourth proportional to 814,440.15, 1,215,047.16 and 770,350.23 is: 1,149,270.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,440.15 : 1,215,047.16 = 770,350.23 : x
  2. Step 2: Convert to fraction form
    814,440.15/1,215,047.16 = 770,350.23/x
  3. Step 3: Cross multiply
    814,440.15x = 1,215,047.16 × 770,350.23
  4. Step 4: Simplify right side
    814,440.15x = 936,011,859,166.85
  5. Step 5: Solve for x
    x = 936,011,859,166.85/814,440.15
  6. Step 6: Final answer
    x = 1,149,270.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.