Home / 464,913.10-697,041.60-212,314.60

Finding the Fourth Proportional to 464,913.10, 697,041.60 and 212,314.60

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Solution

The fourth proportional to 464,913.10, 697,041.60 and 212,314.60 is: 318,322.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,913.10 : 697,041.60 = 212,314.60 : x
  2. Step 2: Convert to fraction form
    464,913.10/697,041.60 = 212,314.60/x
  3. Step 3: Cross multiply
    464,913.10x = 697,041.60 × 212,314.60
  4. Step 4: Simplify right side
    464,913.10x = 147,992,108,487.36
  5. Step 5: Solve for x
    x = 147,992,108,487.36/464,913.10
  6. Step 6: Final answer
    x = 318,322.09

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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.