Home / 448,467.05-621,556.02-440,068.97

Finding the Fourth Proportional to 448,467.05, 621,556.02 and 440,068.97

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Solution

The fourth proportional to 448,467.05, 621,556.02 and 440,068.97 is: 609,916.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,467.05 : 621,556.02 = 440,068.97 : x
  2. Step 2: Convert to fraction form
    448,467.05/621,556.02 = 440,068.97/x
  3. Step 3: Cross multiply
    448,467.05x = 621,556.02 × 440,068.97
  4. Step 4: Simplify right side
    448,467.05x = 273,527,512,760.66
  5. Step 5: Solve for x
    x = 273,527,512,760.66/448,467.05
  6. Step 6: Final answer
    x = 609,916.64

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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.