Home / 859,403.37-1,185,561.98-572,556.45

Finding the Fourth Proportional to 859,403.37, 1,185,561.98 and 572,556.45

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Solution

The fourth proportional to 859,403.37, 1,185,561.98 and 572,556.45 is: 789,851.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,403.37 : 1,185,561.98 = 572,556.45 : x
  2. Step 2: Convert to fraction form
    859,403.37/1,185,561.98 = 572,556.45/x
  3. Step 3: Cross multiply
    859,403.37x = 1,185,561.98 × 572,556.45
  4. Step 4: Simplify right side
    859,403.37x = 678,801,158,805.78
  5. Step 5: Solve for x
    x = 678,801,158,805.78/859,403.37
  6. Step 6: Final answer
    x = 789,851.64

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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.