Home / 1,207,485.99-1,666,295.43-691,222.77

Finding the Fourth Proportional to 1,207,485.99, 1,666,295.43 and 691,222.77

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Solution

The fourth proportional to 1,207,485.99, 1,666,295.43 and 691,222.77 is: 953,867.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,485.99 : 1,666,295.43 = 691,222.77 : x
  2. Step 2: Convert to fraction form
    1,207,485.99/1,666,295.43 = 691,222.77/x
  3. Step 3: Cross multiply
    1,207,485.99x = 1,666,295.43 × 691,222.77
  4. Step 4: Simplify right side
    1,207,485.99x = 1,151,781,342,762.94
  5. Step 5: Solve for x
    x = 1,151,781,342,762.94/1,207,485.99
  6. Step 6: Final answer
    x = 953,867.25

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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.