Home / 801,038.16-1,105,433.04-438,463.92

Finding the Fourth Proportional to 801,038.16, 1,105,433.04 and 438,463.92

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Solution

The fourth proportional to 801,038.16, 1,105,433.04 and 438,463.92 is: 605,080.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,038.16 : 1,105,433.04 = 438,463.92 : x
  2. Step 2: Convert to fraction form
    801,038.16/1,105,433.04 = 438,463.92/x
  3. Step 3: Cross multiply
    801,038.16x = 1,105,433.04 × 438,463.92
  4. Step 4: Simplify right side
    801,038.16x = 484,692,504,015.92
  5. Step 5: Solve for x
    x = 484,692,504,015.92/801,038.16
  6. Step 6: Final answer
    x = 605,080.42

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1.5x scale

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.