Home / 1,855,499.40-2,783,249.10-910,715.40

Finding the Fourth Proportional to 1,855,499.40, 2,783,249.10 and 910,715.40

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Solution

The fourth proportional to 1,855,499.40, 2,783,249.10 and 910,715.40 is: 1,366,073.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,499.40 : 2,783,249.10 = 910,715.40 : x
  2. Step 2: Convert to fraction form
    1,855,499.40/2,783,249.10 = 910,715.40/x
  3. Step 3: Cross multiply
    1,855,499.40x = 2,783,249.10 × 910,715.40
  4. Step 4: Simplify right side
    1,855,499.40x = 2,534,747,817,406.14
  5. Step 5: Solve for x
    x = 2,534,747,817,406.14/1,855,499.40
  6. Step 6: Final answer
    x = 1,366,073.10

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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.