Home / 1,438,941.33-1,985,743.32-785,568.39

Finding the Fourth Proportional to 1,438,941.33, 1,985,743.32 and 785,568.39

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Solution

The fourth proportional to 1,438,941.33, 1,985,743.32 and 785,568.39 is: 1,084,086.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,941.33 : 1,985,743.32 = 785,568.39 : x
  2. Step 2: Convert to fraction form
    1,438,941.33/1,985,743.32 = 785,568.39/x
  3. Step 3: Cross multiply
    1,438,941.33x = 1,985,743.32 × 785,568.39
  4. Step 4: Simplify right side
    1,438,941.33x = 1,559,937,182,845.65
  5. Step 5: Solve for x
    x = 1,559,937,182,845.65/1,438,941.33
  6. Step 6: Final answer
    x = 1,084,086.72

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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.