Home / 1,081,695.71-1,620,059.28-540,290.19

Finding the Fourth Proportional to 1,081,695.71, 1,620,059.28 and 540,290.19

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Solution

The fourth proportional to 1,081,695.71, 1,620,059.28 and 540,290.19 is: 809,194.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,695.71 : 1,620,059.28 = 540,290.19 : x
  2. Step 2: Convert to fraction form
    1,081,695.71/1,620,059.28 = 540,290.19/x
  3. Step 3: Cross multiply
    1,081,695.71x = 1,620,059.28 × 540,290.19
  4. Step 4: Simplify right side
    1,081,695.71x = 875,302,140,251.60
  5. Step 5: Solve for x
    x = 875,302,140,251.60/1,081,695.71
  6. Step 6: Final answer
    x = 809,194.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.