Home / 1,305,692.78-1,958,313.45-346,154.72

Finding the Fourth Proportional to 1,305,692.78, 1,958,313.45 and 346,154.72

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Solution

The fourth proportional to 1,305,692.78, 1,958,313.45 and 346,154.72 is: 519,172.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,692.78 : 1,958,313.45 = 346,154.72 : x
  2. Step 2: Convert to fraction form
    1,305,692.78/1,958,313.45 = 346,154.72/x
  3. Step 3: Cross multiply
    1,305,692.78x = 1,958,313.45 × 346,154.72
  4. Step 4: Simplify right side
    1,305,692.78x = 677,879,443,956.98
  5. Step 5: Solve for x
    x = 677,879,443,956.98/1,305,692.78
  6. Step 6: Final answer
    x = 519,172.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.