Home / 724,222.16-999,546.72-422,416.16

Finding the Fourth Proportional to 724,222.16, 999,546.72 and 422,416.16

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Solution

The fourth proportional to 724,222.16, 999,546.72 and 422,416.16 is: 583,004.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,222.16 : 999,546.72 = 422,416.16 : x
  2. Step 2: Convert to fraction form
    724,222.16/999,546.72 = 422,416.16/x
  3. Step 3: Cross multiply
    724,222.16x = 999,546.72 × 422,416.16
  4. Step 4: Simplify right side
    724,222.16x = 422,224,687,203.00
  5. Step 5: Solve for x
    x = 422,224,687,203.00/724,222.16
  6. Step 6: Final answer
    x = 583,004.37

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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.