Home / 1,045,438.53-1,442,173.86-683,074.50

Finding the Fourth Proportional to 1,045,438.53, 1,442,173.86 and 683,074.50

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Solution

The fourth proportional to 1,045,438.53, 1,442,173.86 and 683,074.50 is: 942,295.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,438.53 : 1,442,173.86 = 683,074.50 : x
  2. Step 2: Convert to fraction form
    1,045,438.53/1,442,173.86 = 683,074.50/x
  3. Step 3: Cross multiply
    1,045,438.53x = 1,442,173.86 × 683,074.50
  4. Step 4: Simplify right side
    1,045,438.53x = 985,112,188,332.57
  5. Step 5: Solve for x
    x = 985,112,188,332.57/1,045,438.53
  6. Step 6: Final answer
    x = 942,295.66

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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.