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Finding the Fourth Proportional to 1,404,519.19, 1,938,028.65 and 852,948.07

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Solution

The fourth proportional to 1,404,519.19, 1,938,028.65 and 852,948.07 is: 1,176,942.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,519.19 : 1,938,028.65 = 852,948.07 : x
  2. Step 2: Convert to fraction form
    1,404,519.19/1,938,028.65 = 852,948.07/x
  3. Step 3: Cross multiply
    1,404,519.19x = 1,938,028.65 × 852,948.07
  4. Step 4: Simplify right side
    1,404,519.19x = 1,653,037,796,622.21
  5. Step 5: Solve for x
    x = 1,653,037,796,622.21/1,404,519.19
  6. Step 6: Final answer
    x = 1,176,942.12

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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.