Home / 771,108.94-1,064,163.59-426,944.87

Finding the Fourth Proportional to 771,108.94, 1,064,163.59 and 426,944.87

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Solution

The fourth proportional to 771,108.94, 1,064,163.59 and 426,944.87 is: 589,202.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,108.94 : 1,064,163.59 = 426,944.87 : x
  2. Step 2: Convert to fraction form
    771,108.94/1,064,163.59 = 426,944.87/x
  3. Step 3: Cross multiply
    771,108.94x = 1,064,163.59 × 426,944.87
  4. Step 4: Simplify right side
    771,108.94x = 454,339,189,713.32
  5. Step 5: Solve for x
    x = 454,339,189,713.32/771,108.94
  6. Step 6: Final answer
    x = 589,202.34

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Double scale
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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.