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Finding the Fourth Proportional to 1,256,627.02, 1,734,094.74 and 683,669.56

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Solution

The fourth proportional to 1,256,627.02, 1,734,094.74 and 683,669.56 is: 943,436.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,627.02 : 1,734,094.74 = 683,669.56 : x
  2. Step 2: Convert to fraction form
    1,256,627.02/1,734,094.74 = 683,669.56/x
  3. Step 3: Cross multiply
    1,256,627.02x = 1,734,094.74 × 683,669.56
  4. Step 4: Simplify right side
    1,256,627.02x = 1,185,547,787,894.11
  5. Step 5: Solve for x
    x = 1,185,547,787,894.11/1,256,627.02
  6. Step 6: Final answer
    x = 943,436.49

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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.