Home / 865,884.90-1,194,958.05-483,911.67

Finding the Fourth Proportional to 865,884.90, 1,194,958.05 and 483,911.67

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Solution

The fourth proportional to 865,884.90, 1,194,958.05 and 483,911.67 is: 667,818.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,884.90 : 1,194,958.05 = 483,911.67 : x
  2. Step 2: Convert to fraction form
    865,884.90/1,194,958.05 = 483,911.67/x
  3. Step 3: Cross multiply
    865,884.90x = 1,194,958.05 × 483,911.67
  4. Step 4: Simplify right side
    865,884.90x = 578,254,145,555.44
  5. Step 5: Solve for x
    x = 578,254,145,555.44/865,884.90
  6. Step 6: Final answer
    x = 667,818.72

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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.