Home / 1,989,080.40-2,983,620.60-993,752.40

Finding the Fourth Proportional to 1,989,080.40, 2,983,620.60 and 993,752.40

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Solution

The fourth proportional to 1,989,080.40, 2,983,620.60 and 993,752.40 is: 1,490,628.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,080.40 : 2,983,620.60 = 993,752.40 : x
  2. Step 2: Convert to fraction form
    1,989,080.40/2,983,620.60 = 993,752.40/x
  3. Step 3: Cross multiply
    1,989,080.40x = 2,983,620.60 × 993,752.40
  4. Step 4: Simplify right side
    1,989,080.40x = 2,964,980,131,939.44
  5. Step 5: Solve for x
    x = 2,964,980,131,939.44/1,989,080.40
  6. Step 6: Final answer
    x = 1,490,628.60

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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.