Home / 1,217,771.72-1,680,528.25-673,945.01

Finding the Fourth Proportional to 1,217,771.72, 1,680,528.25 and 673,945.01

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Solution

The fourth proportional to 1,217,771.72, 1,680,528.25 and 673,945.01 is: 930,045.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,771.72 : 1,680,528.25 = 673,945.01 : x
  2. Step 2: Convert to fraction form
    1,217,771.72/1,680,528.25 = 673,945.01/x
  3. Step 3: Cross multiply
    1,217,771.72x = 1,680,528.25 × 673,945.01
  4. Step 4: Simplify right side
    1,217,771.72x = 1,132,583,628,251.53
  5. Step 5: Solve for x
    x = 1,132,583,628,251.53/1,217,771.72
  6. Step 6: Final answer
    x = 930,045.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.