Home / 851,932.70-1,175,670.48-464,756.40

Finding the Fourth Proportional to 851,932.70, 1,175,670.48 and 464,756.40

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Solution

The fourth proportional to 851,932.70, 1,175,670.48 and 464,756.40 is: 641,365.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,932.70 : 1,175,670.48 = 464,756.40 : x
  2. Step 2: Convert to fraction form
    851,932.70/1,175,670.48 = 464,756.40/x
  3. Step 3: Cross multiply
    851,932.70x = 1,175,670.48 × 464,756.40
  4. Step 4: Simplify right side
    851,932.70x = 546,400,379,871.07
  5. Step 5: Solve for x
    x = 546,400,379,871.07/851,932.70
  6. Step 6: Final answer
    x = 641,365.67

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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.