Home / 761,997.30-1,142,908.41-201,075.54

Finding the Fourth Proportional to 761,997.30, 1,142,908.41 and 201,075.54

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Solution

The fourth proportional to 761,997.30, 1,142,908.41 and 201,075.54 is: 301,590.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,997.30 : 1,142,908.41 = 201,075.54 : x
  2. Step 2: Convert to fraction form
    761,997.30/1,142,908.41 = 201,075.54/x
  3. Step 3: Cross multiply
    761,997.30x = 1,142,908.41 × 201,075.54
  4. Step 4: Simplify right side
    761,997.30x = 229,810,925,711.29
  5. Step 5: Solve for x
    x = 229,810,925,711.29/761,997.30
  6. Step 6: Final answer
    x = 301,590.21

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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.