Home / 697,314.08-1,045,969.41-393,570.54

Finding the Fourth Proportional to 697,314.08, 1,045,969.41 and 393,570.54

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Solution

The fourth proportional to 697,314.08, 1,045,969.41 and 393,570.54 is: 590,354.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,314.08 : 1,045,969.41 = 393,570.54 : x
  2. Step 2: Convert to fraction form
    697,314.08/1,045,969.41 = 393,570.54/x
  3. Step 3: Cross multiply
    697,314.08x = 1,045,969.41 × 393,570.54
  4. Step 4: Simplify right side
    697,314.08x = 411,662,745,517.18
  5. Step 5: Solve for x
    x = 411,662,745,517.18/697,314.08
  6. Step 6: Final answer
    x = 590,354.84

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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.