Home / 923,559.21-1,274,499.59-515,668.01

Finding the Fourth Proportional to 923,559.21, 1,274,499.59 and 515,668.01

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Solution

The fourth proportional to 923,559.21, 1,274,499.59 and 515,668.01 is: 711,615.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,559.21 : 1,274,499.59 = 515,668.01 : x
  2. Step 2: Convert to fraction form
    923,559.21/1,274,499.59 = 515,668.01/x
  3. Step 3: Cross multiply
    923,559.21x = 1,274,499.59 × 515,668.01
  4. Step 4: Simplify right side
    923,559.21x = 657,218,658,370.28
  5. Step 5: Solve for x
    x = 657,218,658,370.28/923,559.21
  6. Step 6: Final answer
    x = 711,615.08

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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.