Home / 369,566.97-509,999.94-208,423.41

Finding the Fourth Proportional to 369,566.97, 509,999.94 and 208,423.41

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Solution

The fourth proportional to 369,566.97, 509,999.94 and 208,423.41 is: 287,622.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,566.97 : 509,999.94 = 208,423.41 : x
  2. Step 2: Convert to fraction form
    369,566.97/509,999.94 = 208,423.41/x
  3. Step 3: Cross multiply
    369,566.97x = 509,999.94 × 208,423.41
  4. Step 4: Simplify right side
    369,566.97x = 106,295,926,594.60
  5. Step 5: Solve for x
    x = 106,295,926,594.60/369,566.97
  6. Step 6: Final answer
    x = 287,622.91

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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.