Home / 1,204,761.72-1,807,148.80-406,050.20

Finding the Fourth Proportional to 1,204,761.72, 1,807,148.80 and 406,050.20

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Solution

The fourth proportional to 1,204,761.72, 1,807,148.80 and 406,050.20 is: 609,077.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,761.72 : 1,807,148.80 = 406,050.20 : x
  2. Step 2: Convert to fraction form
    1,204,761.72/1,807,148.80 = 406,050.20/x
  3. Step 3: Cross multiply
    1,204,761.72x = 1,807,148.80 × 406,050.20
  4. Step 4: Simplify right side
    1,204,761.72x = 733,793,122,634.02
  5. Step 5: Solve for x
    x = 733,793,122,634.02/1,204,761.72
  6. Step 6: Final answer
    x = 609,077.39

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Double scale
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1.5x scale

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.