Home / 977,660.20-1,466,490.30-809,698.60

Finding the Fourth Proportional to 977,660.20, 1,466,490.30 and 809,698.60

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Solution

The fourth proportional to 977,660.20, 1,466,490.30 and 809,698.60 is: 1,214,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,660.20 : 1,466,490.30 = 809,698.60 : x
  2. Step 2: Convert to fraction form
    977,660.20/1,466,490.30 = 809,698.60/x
  3. Step 3: Cross multiply
    977,660.20x = 1,466,490.30 × 809,698.60
  4. Step 4: Simplify right side
    977,660.20x = 1,187,415,142,823.58
  5. Step 5: Solve for x
    x = 1,187,415,142,823.58/977,660.20
  6. Step 6: Final answer
    x = 1,214,547.90

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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.