Home / 1,297,688.76-1,946,586.65-445,346.06

Finding the Fourth Proportional to 1,297,688.76, 1,946,586.65 and 445,346.06

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Solution

The fourth proportional to 1,297,688.76, 1,946,586.65 and 445,346.06 is: 668,037.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,688.76 : 1,946,586.65 = 445,346.06 : x
  2. Step 2: Convert to fraction form
    1,297,688.76/1,946,586.65 = 445,346.06/x
  3. Step 3: Cross multiply
    1,297,688.76x = 1,946,586.65 × 445,346.06
  4. Step 4: Simplify right side
    1,297,688.76x = 866,904,683,066.44
  5. Step 5: Solve for x
    x = 866,904,683,066.44/1,297,688.76
  6. Step 6: Final answer
    x = 668,037.44

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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.