Home / 815,805.96-1,223,582.58-416,741.64

Finding the Fourth Proportional to 815,805.96, 1,223,582.58 and 416,741.64

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Solution

The fourth proportional to 815,805.96, 1,223,582.58 and 416,741.64 is: 625,047.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,805.96 : 1,223,582.58 = 416,741.64 : x
  2. Step 2: Convert to fraction form
    815,805.96/1,223,582.58 = 416,741.64/x
  3. Step 3: Cross multiply
    815,805.96x = 1,223,582.58 × 416,741.64
  4. Step 4: Simplify right side
    815,805.96x = 509,917,811,064.63
  5. Step 5: Solve for x
    x = 509,917,811,064.63/815,805.96
  6. Step 6: Final answer
    x = 625,047.91

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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.