Home / 1,317,968.60-1,976,952.90-519,276.20

Finding the Fourth Proportional to 1,317,968.60, 1,976,952.90 and 519,276.20

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Solution

The fourth proportional to 1,317,968.60, 1,976,952.90 and 519,276.20 is: 778,914.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,968.60 : 1,976,952.90 = 519,276.20 : x
  2. Step 2: Convert to fraction form
    1,317,968.60/1,976,952.90 = 519,276.20/x
  3. Step 3: Cross multiply
    1,317,968.60x = 1,976,952.90 × 519,276.20
  4. Step 4: Simplify right side
    1,317,968.60x = 1,026,584,589,490.98
  5. Step 5: Solve for x
    x = 1,026,584,589,490.98/1,317,968.60
  6. Step 6: Final answer
    x = 778,914.30

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Similar ratio
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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.