Home / 854,747.34-1,179,489.11-472,780.50

Finding the Fourth Proportional to 854,747.34, 1,179,489.11 and 472,780.50

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Solution

The fourth proportional to 854,747.34, 1,179,489.11 and 472,780.50 is: 652,402.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,747.34 : 1,179,489.11 = 472,780.50 : x
  2. Step 2: Convert to fraction form
    854,747.34/1,179,489.11 = 472,780.50/x
  3. Step 3: Cross multiply
    854,747.34x = 1,179,489.11 × 472,780.50
  4. Step 4: Simplify right side
    854,747.34x = 557,639,448,806.45
  5. Step 5: Solve for x
    x = 557,639,448,806.45/854,747.34
  6. Step 6: Final answer
    x = 652,402.67

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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.