Home / 931,990.74-1,284,596.73-659,709.24

Finding the Fourth Proportional to 931,990.74, 1,284,596.73 and 659,709.24

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Solution

The fourth proportional to 931,990.74, 1,284,596.73 and 659,709.24 is: 909,301.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,990.74 : 1,284,596.73 = 659,709.24 : x
  2. Step 2: Convert to fraction form
    931,990.74/1,284,596.73 = 659,709.24/x
  3. Step 3: Cross multiply
    931,990.74x = 1,284,596.73 × 659,709.24
  4. Step 4: Simplify right side
    931,990.74x = 847,460,332,454.79
  5. Step 5: Solve for x
    x = 847,460,332,454.79/931,990.74
  6. Step 6: Final answer
    x = 909,301.24

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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.