Home / 965,705.72-1,332,838.82-557,734.23

Finding the Fourth Proportional to 965,705.72, 1,332,838.82 and 557,734.23

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Solution

The fourth proportional to 965,705.72, 1,332,838.82 and 557,734.23 is: 769,768.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,705.72 : 1,332,838.82 = 557,734.23 : x
  2. Step 2: Convert to fraction form
    965,705.72/1,332,838.82 = 557,734.23/x
  3. Step 3: Cross multiply
    965,705.72x = 1,332,838.82 × 557,734.23
  4. Step 4: Simplify right side
    965,705.72x = 743,369,832,986.81
  5. Step 5: Solve for x
    x = 743,369,832,986.81/965,705.72
  6. Step 6: Final answer
    x = 769,768.49

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1.5x scale

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.