Home / 448,467.42-621,556.54-440,069.34

Finding the Fourth Proportional to 448,467.42, 621,556.54 and 440,069.34

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Solution

The fourth proportional to 448,467.42, 621,556.54 and 440,069.34 is: 609,917.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,467.42 : 621,556.54 = 440,069.34 : x
  2. Step 2: Convert to fraction form
    448,467.42/621,556.54 = 440,069.34/x
  3. Step 3: Cross multiply
    448,467.42x = 621,556.54 × 440,069.34
  4. Step 4: Simplify right side
    448,467.42x = 273,527,975,230.31
  5. Step 5: Solve for x
    x = 273,527,975,230.31/448,467.42
  6. Step 6: Final answer
    x = 609,917.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.