Home / 898,934.96-1,348,219.92-330,120.56

Finding the Fourth Proportional to 898,934.96, 1,348,219.92 and 330,120.56

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Solution

The fourth proportional to 898,934.96, 1,348,219.92 and 330,120.56 is: 495,113.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,934.96 : 1,348,219.92 = 330,120.56 : x
  2. Step 2: Convert to fraction form
    898,934.96/1,348,219.92 = 330,120.56/x
  3. Step 3: Cross multiply
    898,934.96x = 1,348,219.92 × 330,120.56
  4. Step 4: Simplify right side
    898,934.96x = 445,075,114,993.56
  5. Step 5: Solve for x
    x = 445,075,114,993.56/898,934.96
  6. Step 6: Final answer
    x = 495,113.81

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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.