Home / 1,284,355.40-1,926,533.10-1,205,623.40

Finding the Fourth Proportional to 1,284,355.40, 1,926,533.10 and 1,205,623.40

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Solution

The fourth proportional to 1,284,355.40, 1,926,533.10 and 1,205,623.40 is: 1,808,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,355.40 : 1,926,533.10 = 1,205,623.40 : x
  2. Step 2: Convert to fraction form
    1,284,355.40/1,926,533.10 = 1,205,623.40/x
  3. Step 3: Cross multiply
    1,284,355.40x = 1,926,533.10 × 1,205,623.40
  4. Step 4: Simplify right side
    1,284,355.40x = 2,322,673,386,234.54
  5. Step 5: Solve for x
    x = 2,322,673,386,234.54/1,284,355.40
  6. Step 6: Final answer
    x = 1,808,435.10

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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.