Home / 911,400.06-1,365,911.01-659,528.94

Finding the Fourth Proportional to 911,400.06, 1,365,911.01 and 659,528.94

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Solution

The fourth proportional to 911,400.06, 1,365,911.01 and 659,528.94 is: 988,432.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,400.06 : 1,365,911.01 = 659,528.94 : x
  2. Step 2: Convert to fraction form
    911,400.06/1,365,911.01 = 659,528.94/x
  3. Step 3: Cross multiply
    911,400.06x = 1,365,911.01 × 659,528.94
  4. Step 4: Simplify right side
    911,400.06x = 900,857,840,559.63
  5. Step 5: Solve for x
    x = 900,857,840,559.63/911,400.06
  6. Step 6: Final answer
    x = 988,432.94

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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.