Home / 939,036.34-1,408,611.54-265,168.45

Finding the Fourth Proportional to 939,036.34, 1,408,611.54 and 265,168.45

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Solution

The fourth proportional to 939,036.34, 1,408,611.54 and 265,168.45 is: 397,768.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,036.34 : 1,408,611.54 = 265,168.45 : x
  2. Step 2: Convert to fraction form
    939,036.34/1,408,611.54 = 265,168.45/x
  3. Step 3: Cross multiply
    939,036.34x = 1,408,611.54 × 265,168.45
  4. Step 4: Simplify right side
    939,036.34x = 373,519,338,713.91
  5. Step 5: Solve for x
    x = 373,519,338,713.91/939,036.34
  6. Step 6: Final answer
    x = 397,768.78

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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.