Home / 1,617,152.54-2,231,631.42-891,984.68

Finding the Fourth Proportional to 1,617,152.54, 2,231,631.42 and 891,984.68

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Solution

The fourth proportional to 1,617,152.54, 2,231,631.42 and 891,984.68 is: 1,230,917.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,152.54 : 2,231,631.42 = 891,984.68 : x
  2. Step 2: Convert to fraction form
    1,617,152.54/2,231,631.42 = 891,984.68/x
  3. Step 3: Cross multiply
    1,617,152.54x = 2,231,631.42 × 891,984.68
  4. Step 4: Simplify right side
    1,617,152.54x = 1,990,581,038,046.65
  5. Step 5: Solve for x
    x = 1,990,581,038,046.65/1,617,152.54
  6. Step 6: Final answer
    x = 1,230,917.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.