Home / 784,934.77-1,083,221.31-440,845.15

Finding the Fourth Proportional to 784,934.77, 1,083,221.31 and 440,845.15

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Solution

The fourth proportional to 784,934.77, 1,083,221.31 and 440,845.15 is: 608,372.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,934.77 : 1,083,221.31 = 440,845.15 : x
  2. Step 2: Convert to fraction form
    784,934.77/1,083,221.31 = 440,845.15/x
  3. Step 3: Cross multiply
    784,934.77x = 1,083,221.31 × 440,845.15
  4. Step 4: Simplify right side
    784,934.77x = 477,532,860,890.15
  5. Step 5: Solve for x
    x = 477,532,860,890.15/784,934.77
  6. Step 6: Final answer
    x = 608,372.67

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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.