Home / 899,403.67-1,241,128.34-496,969.75

Finding the Fourth Proportional to 899,403.67, 1,241,128.34 and 496,969.75

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Solution

The fourth proportional to 899,403.67, 1,241,128.34 and 496,969.75 is: 685,791.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,403.67 : 1,241,128.34 = 496,969.75 : x
  2. Step 2: Convert to fraction form
    899,403.67/1,241,128.34 = 496,969.75/x
  3. Step 3: Cross multiply
    899,403.67x = 1,241,128.34 × 496,969.75
  4. Step 4: Simplify right side
    899,403.67x = 616,803,238,362.87
  5. Step 5: Solve for x
    x = 616,803,238,362.87/899,403.67
  6. Step 6: Final answer
    x = 685,791.33

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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.