Home / 734,019.62-1,012,945.02-407,381.94

Finding the Fourth Proportional to 734,019.62, 1,012,945.02 and 407,381.94

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Solution

The fourth proportional to 734,019.62, 1,012,945.02 and 407,381.94 is: 562,185.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,019.62 : 1,012,945.02 = 407,381.94 : x
  2. Step 2: Convert to fraction form
    734,019.62/1,012,945.02 = 407,381.94/x
  3. Step 3: Cross multiply
    734,019.62x = 1,012,945.02 × 407,381.94
  4. Step 4: Simplify right side
    734,019.62x = 412,655,505,324.03
  5. Step 5: Solve for x
    x = 412,655,505,324.03/734,019.62
  6. Step 6: Final answer
    x = 562,185.94

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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.