Home / 977,178.20-1,465,767.30-819,714.20

Finding the Fourth Proportional to 977,178.20, 1,465,767.30 and 819,714.20

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Solution

The fourth proportional to 977,178.20, 1,465,767.30 and 819,714.20 is: 1,229,571.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,178.20 : 1,465,767.30 = 819,714.20 : x
  2. Step 2: Convert to fraction form
    977,178.20/1,465,767.30 = 819,714.20/x
  3. Step 3: Cross multiply
    977,178.20x = 1,465,767.30 × 819,714.20
  4. Step 4: Simplify right side
    977,178.20x = 1,201,510,269,705.66
  5. Step 5: Solve for x
    x = 1,201,510,269,705.66/977,178.20
  6. Step 6: Final answer
    x = 1,229,571.30

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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.