Home / 1,777,539.60-2,666,698.20-879,411.60

Finding the Fourth Proportional to 1,777,539.60, 2,666,698.20 and 879,411.60

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Solution

The fourth proportional to 1,777,539.60, 2,666,698.20 and 879,411.60 is: 1,319,309.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,539.60 : 2,666,698.20 = 879,411.60 : x
  2. Step 2: Convert to fraction form
    1,777,539.60/2,666,698.20 = 879,411.60/x
  3. Step 3: Cross multiply
    1,777,539.60x = 2,666,698.20 × 879,411.60
  4. Step 4: Simplify right side
    1,777,539.60x = 2,345,125,330,779.12
  5. Step 5: Solve for x
    x = 2,345,125,330,779.12/1,777,539.60
  6. Step 6: Final answer
    x = 1,319,309.75

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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.