Home / 734,784.55-1,013,993.75-412,486.36

Finding the Fourth Proportional to 734,784.55, 1,013,993.75 and 412,486.36

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Solution

The fourth proportional to 734,784.55, 1,013,993.75 and 412,486.36 is: 569,226.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,784.55 : 1,013,993.75 = 412,486.36 : x
  2. Step 2: Convert to fraction form
    734,784.55/1,013,993.75 = 412,486.36/x
  3. Step 3: Cross multiply
    734,784.55x = 1,013,993.75 × 412,486.36
  4. Step 4: Simplify right side
    734,784.55x = 418,258,589,496.48
  5. Step 5: Solve for x
    x = 418,258,589,496.48/734,784.55
  6. Step 6: Final answer
    x = 569,226.16

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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.