Home / 2,112,400.80-3,168,601.20-692,600.40

Finding the Fourth Proportional to 2,112,400.80, 3,168,601.20 and 692,600.40

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Solution

The fourth proportional to 2,112,400.80, 3,168,601.20 and 692,600.40 is: 1,038,900.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,400.80 : 3,168,601.20 = 692,600.40 : x
  2. Step 2: Convert to fraction form
    2,112,400.80/3,168,601.20 = 692,600.40/x
  3. Step 3: Cross multiply
    2,112,400.80x = 3,168,601.20 × 692,600.40
  4. Step 4: Simplify right side
    2,112,400.80x = 2,194,574,458,560.48
  5. Step 5: Solve for x
    x = 2,194,574,458,560.48/2,112,400.80
  6. Step 6: Final answer
    x = 1,038,900.60

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Similar ratio
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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.