Home / 526,851.09-727,055.39-285,133.93

Finding the Fourth Proportional to 526,851.09, 727,055.39 and 285,133.93

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Solution

The fourth proportional to 526,851.09, 727,055.39 and 285,133.93 is: 393,485.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,851.09 : 727,055.39 = 285,133.93 : x
  2. Step 2: Convert to fraction form
    526,851.09/727,055.39 = 285,133.93/x
  3. Step 3: Cross multiply
    526,851.09x = 727,055.39 × 285,133.93
  4. Step 4: Simplify right side
    526,851.09x = 207,308,159,573.58
  5. Step 5: Solve for x
    x = 207,308,159,573.58/526,851.09
  6. Step 6: Final answer
    x = 393,485.30

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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.