Home / 626,286.16-864,273.82-339,806.17

Finding the Fourth Proportional to 626,286.16, 864,273.82 and 339,806.17

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Solution

The fourth proportional to 626,286.16, 864,273.82 and 339,806.17 is: 468,931.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,286.16 : 864,273.82 = 339,806.17 : x
  2. Step 2: Convert to fraction form
    626,286.16/864,273.82 = 339,806.17/x
  3. Step 3: Cross multiply
    626,286.16x = 864,273.82 × 339,806.17
  4. Step 4: Simplify right side
    626,286.16x = 293,685,572,284.10
  5. Step 5: Solve for x
    x = 293,685,572,284.10/626,286.16
  6. Step 6: Final answer
    x = 468,931.93

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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.