Home / 876,644.70-1,314,059.85-476,439.90

Finding the Fourth Proportional to 876,644.70, 1,314,059.85 and 476,439.90

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Solution

The fourth proportional to 876,644.70, 1,314,059.85 and 476,439.90 is: 714,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,644.70 : 1,314,059.85 = 476,439.90 : x
  2. Step 2: Convert to fraction form
    876,644.70/1,314,059.85 = 476,439.90/x
  3. Step 3: Cross multiply
    876,644.70x = 1,314,059.85 × 476,439.90
  4. Step 4: Simplify right side
    876,644.70x = 626,070,543,528.02
  5. Step 5: Solve for x
    x = 626,070,543,528.02/876,644.70
  6. Step 6: Final answer
    x = 714,166.80

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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.