Home / 825,986.93-1,140,219.63-774,280.77

Finding the Fourth Proportional to 825,986.93, 1,140,219.63 and 774,280.77

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Solution

The fourth proportional to 825,986.93, 1,140,219.63 and 774,280.77 is: 1,068,842.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,986.93 : 1,140,219.63 = 774,280.77 : x
  2. Step 2: Convert to fraction form
    825,986.93/1,140,219.63 = 774,280.77/x
  3. Step 3: Cross multiply
    825,986.93x = 1,140,219.63 × 774,280.77
  4. Step 4: Simplify right side
    825,986.93x = 882,850,133,085.52
  5. Step 5: Solve for x
    x = 882,850,133,085.52/825,986.93
  6. Step 6: Final answer
    x = 1,068,842.75

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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.