Home / 1,086,933.57-1,630,607.44-438,561.19

Finding the Fourth Proportional to 1,086,933.57, 1,630,607.44 and 438,561.19

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Solution

The fourth proportional to 1,086,933.57, 1,630,607.44 and 438,561.19 is: 657,925.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,933.57 : 1,630,607.44 = 438,561.19 : x
  2. Step 2: Convert to fraction form
    1,086,933.57/1,630,607.44 = 438,561.19/x
  3. Step 3: Cross multiply
    1,086,933.57x = 1,630,607.44 × 438,561.19
  4. Step 4: Simplify right side
    1,086,933.57x = 715,121,139,309.25
  5. Step 5: Solve for x
    x = 715,121,139,309.25/1,086,933.57
  6. Step 6: Final answer
    x = 657,925.34

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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.