Home / 626,310.19-864,305.17-339,829.57

Finding the Fourth Proportional to 626,310.19, 864,305.17 and 339,829.57

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Solution

The fourth proportional to 626,310.19, 864,305.17 and 339,829.57 is: 468,963.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,310.19 : 864,305.17 = 339,829.57 : x
  2. Step 2: Convert to fraction form
    626,310.19/864,305.17 = 339,829.57/x
  3. Step 3: Cross multiply
    626,310.19x = 864,305.17 × 339,829.57
  4. Step 4: Simplify right side
    626,310.19x = 293,716,454,269.88
  5. Step 5: Solve for x
    x = 293,716,454,269.88/626,310.19
  6. Step 6: Final answer
    x = 468,963.24

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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.