Home / 626,295.04-864,280.32-339,821.44

Finding the Fourth Proportional to 626,295.04, 864,280.32 and 339,821.44

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Solution

The fourth proportional to 626,295.04, 864,280.32 and 339,821.44 is: 468,949.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,295.04 : 864,280.32 = 339,821.44 : x
  2. Step 2: Convert to fraction form
    626,295.04/864,280.32 = 339,821.44/x
  3. Step 3: Cross multiply
    626,295.04x = 864,280.32 × 339,821.44
  4. Step 4: Simplify right side
    626,295.04x = 293,700,982,906.06
  5. Step 5: Solve for x
    x = 293,700,982,906.06/626,295.04
  6. Step 6: Final answer
    x = 468,949.88

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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.