Home / 1,318,053.78-1,977,234.27-477,001.62

Finding the Fourth Proportional to 1,318,053.78, 1,977,234.27 and 477,001.62

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Solution

The fourth proportional to 1,318,053.78, 1,977,234.27 and 477,001.62 is: 715,558.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,053.78 : 1,977,234.27 = 477,001.62 : x
  2. Step 2: Convert to fraction form
    1,318,053.78/1,977,234.27 = 477,001.62/x
  3. Step 3: Cross multiply
    1,318,053.78x = 1,977,234.27 × 477,001.62
  4. Step 4: Simplify right side
    1,318,053.78x = 943,143,949,909.52
  5. Step 5: Solve for x
    x = 943,143,949,909.52/1,318,053.78
  6. Step 6: Final answer
    x = 715,558.02

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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.