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Finding the Fourth Proportional to 1,786,798.47, 2,466,356.54 and 1,143,950.07

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Solution

The fourth proportional to 1,786,798.47, 2,466,356.54 and 1,143,950.07 is: 1,579,019.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,798.47 : 2,466,356.54 = 1,143,950.07 : x
  2. Step 2: Convert to fraction form
    1,786,798.47/2,466,356.54 = 1,143,950.07/x
  3. Step 3: Cross multiply
    1,786,798.47x = 2,466,356.54 × 1,143,950.07
  4. Step 4: Simplify right side
    1,786,798.47x = 2,821,388,730,858.21
  5. Step 5: Solve for x
    x = 2,821,388,730,858.21/1,786,798.47
  6. Step 6: Final answer
    x = 1,579,019.00

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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.