Home / 761,671.22-1,051,067.23-439,362.09

Finding the Fourth Proportional to 761,671.22, 1,051,067.23 and 439,362.09

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Solution

The fourth proportional to 761,671.22, 1,051,067.23 and 439,362.09 is: 606,297.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,671.22 : 1,051,067.23 = 439,362.09 : x
  2. Step 2: Convert to fraction form
    761,671.22/1,051,067.23 = 439,362.09/x
  3. Step 3: Cross multiply
    761,671.22x = 1,051,067.23 × 439,362.09
  4. Step 4: Simplify right side
    761,671.22x = 461,799,093,804.91
  5. Step 5: Solve for x
    x = 461,799,093,804.91/761,671.22
  6. Step 6: Final answer
    x = 606,297.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.