Home / 626,611.98-939,936.20-153,297.21

Finding the Fourth Proportional to 626,611.98, 939,936.20 and 153,297.21

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Solution

The fourth proportional to 626,611.98, 939,936.20 and 153,297.21 is: 229,950.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,611.98 : 939,936.20 = 153,297.21 : x
  2. Step 2: Convert to fraction form
    626,611.98/939,936.20 = 153,297.21/x
  3. Step 3: Cross multiply
    626,611.98x = 939,936.20 × 153,297.21
  4. Step 4: Simplify right side
    626,611.98x = 144,089,596,271.52
  5. Step 5: Solve for x
    x = 144,089,596,271.52/626,611.98
  6. Step 6: Final answer
    x = 229,950.27

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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.