Home / 864,197.26-1,294,559.66-430,606.92

Finding the Fourth Proportional to 864,197.26, 1,294,559.66 and 430,606.92

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Solution

The fourth proportional to 864,197.26, 1,294,559.66 and 430,606.92 is: 645,045.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,197.26 : 1,294,559.66 = 430,606.92 : x
  2. Step 2: Convert to fraction form
    864,197.26/1,294,559.66 = 430,606.92/x
  3. Step 3: Cross multiply
    864,197.26x = 1,294,559.66 × 430,606.92
  4. Step 4: Simplify right side
    864,197.26x = 557,446,339,323.01
  5. Step 5: Solve for x
    x = 557,446,339,323.01/864,197.26
  6. Step 6: Final answer
    x = 645,045.25

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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.