Home / 448,467.92-621,557.23-440,069.84

Finding the Fourth Proportional to 448,467.92, 621,557.23 and 440,069.84

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Solution

The fourth proportional to 448,467.92, 621,557.23 and 440,069.84 is: 609,917.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,467.92 : 621,557.23 = 440,069.84 : x
  2. Step 2: Convert to fraction form
    448,467.92/621,557.23 = 440,069.84/x
  3. Step 3: Cross multiply
    448,467.92x = 621,557.23 × 440,069.84
  4. Step 4: Simplify right side
    448,467.92x = 273,528,590,756.94
  5. Step 5: Solve for x
    x = 273,528,590,756.94/448,467.92
  6. Step 6: Final answer
    x = 609,917.85

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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.