Home / 977,179.20-1,465,720.20-503,912.40

Finding the Fourth Proportional to 977,179.20, 1,465,720.20 and 503,912.40

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Solution

The fourth proportional to 977,179.20, 1,465,720.20 and 503,912.40 is: 755,843.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,179.20 : 1,465,720.20 = 503,912.40 : x
  2. Step 2: Convert to fraction form
    977,179.20/1,465,720.20 = 503,912.40/x
  3. Step 3: Cross multiply
    977,179.20x = 1,465,720.20 × 503,912.40
  4. Step 4: Simplify right side
    977,179.20x = 738,594,583,710.48
  5. Step 5: Solve for x
    x = 738,594,583,710.48/977,179.20
  6. Step 6: Final answer
    x = 755,843.54

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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.