Home / 626,299.04-864,285.84-339,825.44

Finding the Fourth Proportional to 626,299.04, 864,285.84 and 339,825.44

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Solution

The fourth proportional to 626,299.04, 864,285.84 and 339,825.44 is: 468,955.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,299.04 : 864,285.84 = 339,825.44 : x
  2. Step 2: Convert to fraction form
    626,299.04/864,285.84 = 339,825.44/x
  3. Step 3: Cross multiply
    626,299.04x = 864,285.84 × 339,825.44
  4. Step 4: Simplify right side
    626,299.04x = 293,706,315,863.77
  5. Step 5: Solve for x
    x = 293,706,315,863.77/626,299.04
  6. Step 6: Final answer
    x = 468,955.40

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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.