Home / 1,153,042.90-1,728,406.60-394,365.76

Finding the Fourth Proportional to 1,153,042.90, 1,728,406.60 and 394,365.76

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Solution

The fourth proportional to 1,153,042.90, 1,728,406.60 and 394,365.76 is: 591,152.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,042.90 : 1,728,406.60 = 394,365.76 : x
  2. Step 2: Convert to fraction form
    1,153,042.90/1,728,406.60 = 394,365.76/x
  3. Step 3: Cross multiply
    1,153,042.90x = 1,728,406.60 × 394,365.76
  4. Step 4: Simplify right side
    1,153,042.90x = 681,624,389,031.68
  5. Step 5: Solve for x
    x = 681,624,389,031.68/1,153,042.90
  6. Step 6: Final answer
    x = 591,152.67

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1.5x scale

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.