Home / 1,678,620.60-2,517,930.90-556,543.80

Finding the Fourth Proportional to 1,678,620.60, 2,517,930.90 and 556,543.80

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Solution

The fourth proportional to 1,678,620.60, 2,517,930.90 and 556,543.80 is: 834,815.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,620.60 : 2,517,930.90 = 556,543.80 : x
  2. Step 2: Convert to fraction form
    1,678,620.60/2,517,930.90 = 556,543.80/x
  3. Step 3: Cross multiply
    1,678,620.60x = 2,517,930.90 × 556,543.80
  4. Step 4: Simplify right side
    1,678,620.60x = 1,401,338,831,223.42
  5. Step 5: Solve for x
    x = 1,401,338,831,223.42/1,678,620.60
  6. Step 6: Final answer
    x = 834,815.70

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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.