Home / 626,645.24-864,786.10-340,165.30

Finding the Fourth Proportional to 626,645.24, 864,786.10 and 340,165.30

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Solution

The fourth proportional to 626,645.24, 864,786.10 and 340,165.30 is: 469,436.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,645.24 : 864,786.10 = 340,165.30 : x
  2. Step 2: Convert to fraction form
    626,645.24/864,786.10 = 340,165.30/x
  3. Step 3: Cross multiply
    626,645.24x = 864,786.10 × 340,165.30
  4. Step 4: Simplify right side
    626,645.24x = 294,170,223,142.33
  5. Step 5: Solve for x
    x = 294,170,223,142.33/626,645.24
  6. Step 6: Final answer
    x = 469,436.62

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Double scale
Find fourth proportional to 626,646.24, 864,787.48 and 340,166.30
Similar ratio
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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.