Home / 1,069,074.20-1,474,140.12-681,275.30

Finding the Fourth Proportional to 1,069,074.20, 1,474,140.12 and 681,275.30

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Solution

The fourth proportional to 1,069,074.20, 1,474,140.12 and 681,275.30 is: 939,406.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,074.20 : 1,474,140.12 = 681,275.30 : x
  2. Step 2: Convert to fraction form
    1,069,074.20/1,474,140.12 = 681,275.30/x
  3. Step 3: Cross multiply
    1,069,074.20x = 1,474,140.12 × 681,275.30
  4. Step 4: Simplify right side
    1,069,074.20x = 1,004,295,252,495.04
  5. Step 5: Solve for x
    x = 1,004,295,252,495.04/1,069,074.20
  6. Step 6: Final answer
    x = 939,406.50

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Double scale
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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.