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Finding the Fourth Proportional to 1,970,466.63, 2,719,274.13 and 1,154,475.06

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Solution

The fourth proportional to 1,970,466.63, 2,719,274.13 and 1,154,475.06 is: 1,593,193.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,466.63 : 2,719,274.13 = 1,154,475.06 : x
  2. Step 2: Convert to fraction form
    1,970,466.63/2,719,274.13 = 1,154,475.06/x
  3. Step 3: Cross multiply
    1,970,466.63x = 2,719,274.13 × 1,154,475.06
  4. Step 4: Simplify right side
    1,970,466.63x = 3,139,334,164,388.20
  5. Step 5: Solve for x
    x = 3,139,334,164,388.20/1,970,466.63
  6. Step 6: Final answer
    x = 1,593,193.27

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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.