Home / 1,278,707.60-1,917,370.20-530,829.20

Finding the Fourth Proportional to 1,278,707.60, 1,917,370.20 and 530,829.20

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Solution

The fourth proportional to 1,278,707.60, 1,917,370.20 and 530,829.20 is: 795,956.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,707.60 : 1,917,370.20 = 530,829.20 : x
  2. Step 2: Convert to fraction form
    1,278,707.60/1,917,370.20 = 530,829.20/x
  3. Step 3: Cross multiply
    1,278,707.60x = 1,917,370.20 × 530,829.20
  4. Step 4: Simplify right side
    1,278,707.60x = 1,017,796,089,369.84
  5. Step 5: Solve for x
    x = 1,017,796,089,369.84/1,278,707.60
  6. Step 6: Final answer
    x = 795,956.86

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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.