Home / 965,705.84-1,332,838.99-557,734.36

Finding the Fourth Proportional to 965,705.84, 1,332,838.99 and 557,734.36

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Solution

The fourth proportional to 965,705.84, 1,332,838.99 and 557,734.36 is: 769,768.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,705.84 : 1,332,838.99 = 557,734.36 : x
  2. Step 2: Convert to fraction form
    965,705.84/1,332,838.99 = 557,734.36/x
  3. Step 3: Cross multiply
    965,705.84x = 1,332,838.99 × 557,734.36
  4. Step 4: Simplify right side
    965,705.84x = 743,370,098,435.77
  5. Step 5: Solve for x
    x = 743,370,098,435.77/965,705.84
  6. Step 6: Final answer
    x = 769,768.67

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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.