Home / 889,576.40-1,334,364.60-858,083.60

Finding the Fourth Proportional to 889,576.40, 1,334,364.60 and 858,083.60

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Solution

The fourth proportional to 889,576.40, 1,334,364.60 and 858,083.60 is: 1,287,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,576.40 : 1,334,364.60 = 858,083.60 : x
  2. Step 2: Convert to fraction form
    889,576.40/1,334,364.60 = 858,083.60/x
  3. Step 3: Cross multiply
    889,576.40x = 1,334,364.60 × 858,083.60
  4. Step 4: Simplify right side
    889,576.40x = 1,144,996,379,680.56
  5. Step 5: Solve for x
    x = 1,144,996,379,680.56/889,576.40
  6. Step 6: Final answer
    x = 1,287,125.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.