Home / 1,107,266.40-1,660,900.68-308,550.24

Finding the Fourth Proportional to 1,107,266.40, 1,660,900.68 and 308,550.24

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Solution

The fourth proportional to 1,107,266.40, 1,660,900.68 and 308,550.24 is: 462,825.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,266.40 : 1,660,900.68 = 308,550.24 : x
  2. Step 2: Convert to fraction form
    1,107,266.40/1,660,900.68 = 308,550.24/x
  3. Step 3: Cross multiply
    1,107,266.40x = 1,660,900.68 × 308,550.24
  4. Step 4: Simplify right side
    1,107,266.40x = 512,471,303,430.16
  5. Step 5: Solve for x
    x = 512,471,303,430.16/1,107,266.40
  6. Step 6: Final answer
    x = 462,825.66

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Double scale
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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.