Home / 977,410.80-1,466,116.20-577,845.90

Finding the Fourth Proportional to 977,410.80, 1,466,116.20 and 577,845.90

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Solution

The fourth proportional to 977,410.80, 1,466,116.20 and 577,845.90 is: 866,768.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,410.80 : 1,466,116.20 = 577,845.90 : x
  2. Step 2: Convert to fraction form
    977,410.80/1,466,116.20 = 577,845.90/x
  3. Step 3: Cross multiply
    977,410.80x = 1,466,116.20 × 577,845.90
  4. Step 4: Simplify right side
    977,410.80x = 847,189,235,093.58
  5. Step 5: Solve for x
    x = 847,189,235,093.58/977,410.80
  6. Step 6: Final answer
    x = 866,768.85

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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.