Home / 1,330,118.80-1,995,178.20-531,523.60

Finding the Fourth Proportional to 1,330,118.80, 1,995,178.20 and 531,523.60

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Solution

The fourth proportional to 1,330,118.80, 1,995,178.20 and 531,523.60 is: 797,285.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,118.80 : 1,995,178.20 = 531,523.60 : x
  2. Step 2: Convert to fraction form
    1,330,118.80/1,995,178.20 = 531,523.60/x
  3. Step 3: Cross multiply
    1,330,118.80x = 1,995,178.20 × 531,523.60
  4. Step 4: Simplify right side
    1,330,118.80x = 1,060,484,299,505.52
  5. Step 5: Solve for x
    x = 1,060,484,299,505.52/1,330,118.80
  6. Step 6: Final answer
    x = 797,285.40

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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.