Home / 1,577,815.60-2,366,140.20-512,892.40

Finding the Fourth Proportional to 1,577,815.60, 2,366,140.20 and 512,892.40

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Solution

The fourth proportional to 1,577,815.60, 2,366,140.20 and 512,892.40 is: 769,149.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,815.60 : 2,366,140.20 = 512,892.40 : x
  2. Step 2: Convert to fraction form
    1,577,815.60/2,366,140.20 = 512,892.40/x
  3. Step 3: Cross multiply
    1,577,815.60x = 2,366,140.20 × 512,892.40
  4. Step 4: Simplify right side
    1,577,815.60x = 1,213,575,325,914.48
  5. Step 5: Solve for x
    x = 1,213,575,325,914.48/1,577,815.60
  6. Step 6: Final answer
    x = 769,149.02

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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.