Home / 1,855,802.64-2,783,021.16-641,070.24

Finding the Fourth Proportional to 1,855,802.64, 2,783,021.16 and 641,070.24

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Solution

The fourth proportional to 1,855,802.64, 2,783,021.16 and 641,070.24 is: 961,369.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,802.64 : 2,783,021.16 = 641,070.24 : x
  2. Step 2: Convert to fraction form
    1,855,802.64/2,783,021.16 = 641,070.24/x
  3. Step 3: Cross multiply
    1,855,802.64x = 2,783,021.16 × 641,070.24
  4. Step 4: Simplify right side
    1,855,802.64x = 1,784,112,042,966.28
  5. Step 5: Solve for x
    x = 1,784,112,042,966.28/1,855,802.64
  6. Step 6: Final answer
    x = 961,369.49

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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.