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Finding the Fourth Proportional to 1,229,984.02, 1,697,420.10 and 713,699.02

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Solution

The fourth proportional to 1,229,984.02, 1,697,420.10 and 713,699.02 is: 984,929.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,984.02 : 1,697,420.10 = 713,699.02 : x
  2. Step 2: Convert to fraction form
    1,229,984.02/1,697,420.10 = 713,699.02/x
  3. Step 3: Cross multiply
    1,229,984.02x = 1,697,420.10 × 713,699.02
  4. Step 4: Simplify right side
    1,229,984.02x = 1,211,447,061,898.30
  5. Step 5: Solve for x
    x = 1,211,447,061,898.30/1,229,984.02
  6. Step 6: Final answer
    x = 984,929.11

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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.