Home / 699,716.98-965,907.37-470,407.27

Finding the Fourth Proportional to 699,716.98, 965,907.37 and 470,407.27

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Solution

The fourth proportional to 699,716.98, 965,907.37 and 470,407.27 is: 649,362.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,716.98 : 965,907.37 = 470,407.27 : x
  2. Step 2: Convert to fraction form
    699,716.98/965,907.37 = 470,407.27/x
  3. Step 3: Cross multiply
    699,716.98x = 965,907.37 × 470,407.27
  4. Step 4: Simplify right side
    699,716.98x = 454,369,845,403.79
  5. Step 5: Solve for x
    x = 454,369,845,403.79/699,716.98
  6. Step 6: Final answer
    x = 649,362.33

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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.