Home / 448,055.60-672,083.40-444,945.20

Finding the Fourth Proportional to 448,055.60, 672,083.40 and 444,945.20

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Solution

The fourth proportional to 448,055.60, 672,083.40 and 444,945.20 is: 667,417.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,055.60 : 672,083.40 = 444,945.20 : x
  2. Step 2: Convert to fraction form
    448,055.60/672,083.40 = 444,945.20/x
  3. Step 3: Cross multiply
    448,055.60x = 672,083.40 × 444,945.20
  4. Step 4: Simplify right side
    448,055.60x = 299,040,282,829.68
  5. Step 5: Solve for x
    x = 299,040,282,829.68/448,055.60
  6. Step 6: Final answer
    x = 667,417.80

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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.