Home / 1,383,980.20-2,074,986-530,328.49

Finding the Fourth Proportional to 1,383,980.20, 2,074,986 and 530,328.49

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Solution

The fourth proportional to 1,383,980.20, 2,074,986 and 530,328.49 is: 795,115.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,980.20 : 2,074,986 = 530,328.49 : x
  2. Step 2: Convert to fraction form
    1,383,980.20/2,074,986 = 530,328.49/x
  3. Step 3: Cross multiply
    1,383,980.20x = 2,074,986 × 530,328.49
  4. Step 4: Simplify right side
    1,383,980.20x = 1,100,424,192,151.14
  5. Step 5: Solve for x
    x = 1,100,424,192,151.14/1,383,980.20
  6. Step 6: Final answer
    x = 795,115.56

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Double scale
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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.