Home / 448,611.76-672,985.05-144,904.51

Finding the Fourth Proportional to 448,611.76, 672,985.05 and 144,904.51

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Solution

The fourth proportional to 448,611.76, 672,985.05 and 144,904.51 is: 217,378.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,611.76 : 672,985.05 = 144,904.51 : x
  2. Step 2: Convert to fraction form
    448,611.76/672,985.05 = 144,904.51/x
  3. Step 3: Cross multiply
    448,611.76x = 672,985.05 × 144,904.51
  4. Step 4: Simplify right side
    448,611.76x = 97,518,568,907.58
  5. Step 5: Solve for x
    x = 97,518,568,907.58/448,611.76
  6. Step 6: Final answer
    x = 217,378.54

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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.