Home / 768,041.80-1,152,408.30-368,528.20

Finding the Fourth Proportional to 768,041.80, 1,152,408.30 and 368,528.20

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Solution

The fourth proportional to 768,041.80, 1,152,408.30 and 368,528.20 is: 552,958.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,041.80 : 1,152,408.30 = 368,528.20 : x
  2. Step 2: Convert to fraction form
    768,041.80/1,152,408.30 = 368,528.20/x
  3. Step 3: Cross multiply
    768,041.80x = 1,152,408.30 × 368,528.20
  4. Step 4: Simplify right side
    768,041.80x = 424,694,956,464.06
  5. Step 5: Solve for x
    x = 424,694,956,464.06/768,041.80
  6. Step 6: Final answer
    x = 552,958.13

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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.