Home / 1,239,256.40-1,858,846.20-352,792.40

Finding the Fourth Proportional to 1,239,256.40, 1,858,846.20 and 352,792.40

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Solution

The fourth proportional to 1,239,256.40, 1,858,846.20 and 352,792.40 is: 529,177.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,256.40 : 1,858,846.20 = 352,792.40 : x
  2. Step 2: Convert to fraction form
    1,239,256.40/1,858,846.20 = 352,792.40/x
  3. Step 3: Cross multiply
    1,239,256.40x = 1,858,846.20 × 352,792.40
  4. Step 4: Simplify right side
    1,239,256.40x = 655,786,812,128.88
  5. Step 5: Solve for x
    x = 655,786,812,128.88/1,239,256.40
  6. Step 6: Final answer
    x = 529,177.67

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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.