Home / 784,998.35-1,083,323.88-440,894.91

Finding the Fourth Proportional to 784,998.35, 1,083,323.88 and 440,894.91

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Solution

The fourth proportional to 784,998.35, 1,083,323.88 and 440,894.91 is: 608,449.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,998.35 : 1,083,323.88 = 440,894.91 : x
  2. Step 2: Convert to fraction form
    784,998.35/1,083,323.88 = 440,894.91/x
  3. Step 3: Cross multiply
    784,998.35x = 1,083,323.88 × 440,894.91
  4. Step 4: Simplify right side
    784,998.35x = 477,631,984,573.45
  5. Step 5: Solve for x
    x = 477,631,984,573.45/784,998.35
  6. Step 6: Final answer
    x = 608,449.67

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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.