Home / 628,257.62-942,075.09-223,389.10

Finding the Fourth Proportional to 628,257.62, 942,075.09 and 223,389.10

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Solution

The fourth proportional to 628,257.62, 942,075.09 and 223,389.10 is: 334,972.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,257.62 : 942,075.09 = 223,389.10 : x
  2. Step 2: Convert to fraction form
    628,257.62/942,075.09 = 223,389.10/x
  3. Step 3: Cross multiply
    628,257.62x = 942,075.09 × 223,389.10
  4. Step 4: Simplify right side
    628,257.62x = 210,449,302,365.94
  5. Step 5: Solve for x
    x = 210,449,302,365.94/628,257.62
  6. Step 6: Final answer
    x = 334,972.94

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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.