Home / 838,289.07-1,256,728.29-364,617.67

Finding the Fourth Proportional to 838,289.07, 1,256,728.29 and 364,617.67

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Solution

The fourth proportional to 838,289.07, 1,256,728.29 and 364,617.67 is: 546,619.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,289.07 : 1,256,728.29 = 364,617.67 : x
  2. Step 2: Convert to fraction form
    838,289.07/1,256,728.29 = 364,617.67/x
  3. Step 3: Cross multiply
    838,289.07x = 1,256,728.29 × 364,617.67
  4. Step 4: Simplify right side
    838,289.07x = 458,225,340,922.88
  5. Step 5: Solve for x
    x = 458,225,340,922.88/838,289.07
  6. Step 6: Final answer
    x = 546,619.73

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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.