Home / 340,904.84-470,451.72-187,948.45

Finding the Fourth Proportional to 340,904.84, 470,451.72 and 187,948.45

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Solution

The fourth proportional to 340,904.84, 470,451.72 and 187,948.45 is: 259,370.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,904.84 : 470,451.72 = 187,948.45 : x
  2. Step 2: Convert to fraction form
    340,904.84/470,451.72 = 187,948.45/x
  3. Step 3: Cross multiply
    340,904.84x = 470,451.72 × 187,948.45
  4. Step 4: Simplify right side
    340,904.84x = 88,420,671,573.83
  5. Step 5: Solve for x
    x = 88,420,671,573.83/340,904.84
  6. Step 6: Final answer
    x = 259,370.54

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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.