Home / 697,315.58-1,045,971.66-393,572.04

Finding the Fourth Proportional to 697,315.58, 1,045,971.66 and 393,572.04

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Solution

The fourth proportional to 697,315.58, 1,045,971.66 and 393,572.04 is: 590,357.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,315.58 : 1,045,971.66 = 393,572.04 : x
  2. Step 2: Convert to fraction form
    697,315.58/1,045,971.66 = 393,572.04/x
  3. Step 3: Cross multiply
    697,315.58x = 1,045,971.66 × 393,572.04
  4. Step 4: Simplify right side
    697,315.58x = 411,665,200,008.39
  5. Step 5: Solve for x
    x = 411,665,200,008.39/697,315.58
  6. Step 6: Final answer
    x = 590,357.09

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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.