Home / 340,914.72-470,440.98-187,944.96

Finding the Fourth Proportional to 340,914.72, 470,440.98 and 187,944.96

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Solution

The fourth proportional to 340,914.72, 470,440.98 and 187,944.96 is: 259,352.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,914.72 : 470,440.98 = 187,944.96 : x
  2. Step 2: Convert to fraction form
    340,914.72/470,440.98 = 187,944.96/x
  3. Step 3: Cross multiply
    340,914.72x = 470,440.98 × 187,944.96
  4. Step 4: Simplify right side
    340,914.72x = 88,417,011,168.46
  5. Step 5: Solve for x
    x = 88,417,011,168.46/340,914.72
  6. Step 6: Final answer
    x = 259,352.28

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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.