Home / 626,022.63-863,923.01-384,184.17

Finding the Fourth Proportional to 626,022.63, 863,923.01 and 384,184.17

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Solution

The fourth proportional to 626,022.63, 863,923.01 and 384,184.17 is: 530,181.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,022.63 : 863,923.01 = 384,184.17 : x
  2. Step 2: Convert to fraction form
    626,022.63/863,923.01 = 384,184.17/x
  3. Step 3: Cross multiply
    626,022.63x = 863,923.01 × 384,184.17
  4. Step 4: Simplify right side
    626,022.63x = 331,905,544,540.75
  5. Step 5: Solve for x
    x = 331,905,544,540.75/626,022.63
  6. Step 6: Final answer
    x = 530,181.38

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Half scale
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Double scale
Find fourth proportional to 626,023.63, 863,924.39 and 384,185.17
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.