Home / 1,640,788.69-2,461,183.03-442,711.00

Finding the Fourth Proportional to 1,640,788.69, 2,461,183.03 and 442,711.00

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Solution

The fourth proportional to 1,640,788.69, 2,461,183.03 and 442,711.00 is: 664,066.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,788.69 : 2,461,183.03 = 442,711.00 : x
  2. Step 2: Convert to fraction form
    1,640,788.69/2,461,183.03 = 442,711.00/x
  3. Step 3: Cross multiply
    1,640,788.69x = 2,461,183.03 × 442,711.00
  4. Step 4: Simplify right side
    1,640,788.69x = 1,089,592,812,191.40
  5. Step 5: Solve for x
    x = 1,089,592,812,191.40/1,640,788.69
  6. Step 6: Final answer
    x = 664,066.51

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Double scale
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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.