Home / 1,663,755.65-2,295,982.78-899,809.21

Finding the Fourth Proportional to 1,663,755.65, 2,295,982.78 and 899,809.21

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Solution

The fourth proportional to 1,663,755.65, 2,295,982.78 and 899,809.21 is: 1,241,736.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,755.65 : 2,295,982.78 = 899,809.21 : x
  2. Step 2: Convert to fraction form
    1,663,755.65/2,295,982.78 = 899,809.21/x
  3. Step 3: Cross multiply
    1,663,755.65x = 2,295,982.78 × 899,809.21
  4. Step 4: Simplify right side
    1,663,755.65x = 2,065,946,452,065.86
  5. Step 5: Solve for x
    x = 2,065,946,452,065.86/1,663,755.65
  6. Step 6: Final answer
    x = 1,241,736.70

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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.