Home / 1,297,606.08-1,946,409.12-666,168.96

Finding the Fourth Proportional to 1,297,606.08, 1,946,409.12 and 666,168.96

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Solution

The fourth proportional to 1,297,606.08, 1,946,409.12 and 666,168.96 is: 999,253.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,606.08 : 1,946,409.12 = 666,168.96 : x
  2. Step 2: Convert to fraction form
    1,297,606.08/1,946,409.12 = 666,168.96/x
  3. Step 3: Cross multiply
    1,297,606.08x = 1,946,409.12 × 666,168.96
  4. Step 4: Simplify right side
    1,297,606.08x = 1,296,637,339,204.92
  5. Step 5: Solve for x
    x = 1,296,637,339,204.92/1,297,606.08
  6. Step 6: Final answer
    x = 999,253.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.