Home / 1,296,289.20-1,944,725.40-397,772.40

Finding the Fourth Proportional to 1,296,289.20, 1,944,725.40 and 397,772.40

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Solution

The fourth proportional to 1,296,289.20, 1,944,725.40 and 397,772.40 is: 596,748.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,289.20 : 1,944,725.40 = 397,772.40 : x
  2. Step 2: Convert to fraction form
    1,296,289.20/1,944,725.40 = 397,772.40/x
  3. Step 3: Cross multiply
    1,296,289.20x = 1,944,725.40 × 397,772.40
  4. Step 4: Simplify right side
    1,296,289.20x = 773,558,089,698.96
  5. Step 5: Solve for x
    x = 773,558,089,698.96/1,296,289.20
  6. Step 6: Final answer
    x = 596,748.08

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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.