Home / 977,096.40-1,465,644.60-809,134.80

Finding the Fourth Proportional to 977,096.40, 1,465,644.60 and 809,134.80

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Solution

The fourth proportional to 977,096.40, 1,465,644.60 and 809,134.80 is: 1,213,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,096.40 : 1,465,644.60 = 809,134.80 : x
  2. Step 2: Convert to fraction form
    977,096.40/1,465,644.60 = 809,134.80/x
  3. Step 3: Cross multiply
    977,096.40x = 1,465,644.60 × 809,134.80
  4. Step 4: Simplify right side
    977,096.40x = 1,185,904,050,292.08
  5. Step 5: Solve for x
    x = 1,185,904,050,292.08/977,096.40
  6. Step 6: Final answer
    x = 1,213,702.20

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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.