Home / 925,713.54-1,276,970.24-538,485.39

Finding the Fourth Proportional to 925,713.54, 1,276,970.24 and 538,485.39

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Solution

The fourth proportional to 925,713.54, 1,276,970.24 and 538,485.39 is: 742,810.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,713.54 : 1,276,970.24 = 538,485.39 : x
  2. Step 2: Convert to fraction form
    925,713.54/1,276,970.24 = 538,485.39/x
  3. Step 3: Cross multiply
    925,713.54x = 1,276,970.24 × 538,485.39
  4. Step 4: Simplify right side
    925,713.54x = 687,629,815,012.37
  5. Step 5: Solve for x
    x = 687,629,815,012.37/925,713.54
  6. Step 6: Final answer
    x = 742,810.58

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1.5x scale

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.