Home / 526,830.81-727,028.37-285,113.31

Finding the Fourth Proportional to 526,830.81, 727,028.37 and 285,113.31

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Solution

The fourth proportional to 526,830.81, 727,028.37 and 285,113.31 is: 393,457.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,830.81 : 727,028.37 = 285,113.31 : x
  2. Step 2: Convert to fraction form
    526,830.81/727,028.37 = 285,113.31/x
  3. Step 3: Cross multiply
    526,830.81x = 727,028.37 × 285,113.31
  4. Step 4: Simplify right side
    526,830.81x = 207,285,465,034.61
  5. Step 5: Solve for x
    x = 207,285,465,034.61/526,830.81
  6. Step 6: Final answer
    x = 393,457.37

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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.