Home / 626,919.32-865,141.07-340,441.44

Finding the Fourth Proportional to 626,919.32, 865,141.07 and 340,441.44

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Solution

The fourth proportional to 626,919.32, 865,141.07 and 340,441.44 is: 469,805.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,919.32 : 865,141.07 = 340,441.44 : x
  2. Step 2: Convert to fraction form
    626,919.32/865,141.07 = 340,441.44/x
  3. Step 3: Cross multiply
    626,919.32x = 865,141.07 × 340,441.44
  4. Step 4: Simplify right side
    626,919.32x = 294,529,869,971.73
  5. Step 5: Solve for x
    x = 294,529,869,971.73/626,919.32
  6. Step 6: Final answer
    x = 469,805.07

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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.