Home / 1,181,920.40-1,771,714.20-582,390.80

Finding the Fourth Proportional to 1,181,920.40, 1,771,714.20 and 582,390.80

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Solution

The fourth proportional to 1,181,920.40, 1,771,714.20 and 582,390.80 is: 873,011.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,920.40 : 1,771,714.20 = 582,390.80 : x
  2. Step 2: Convert to fraction form
    1,181,920.40/1,771,714.20 = 582,390.80/x
  3. Step 3: Cross multiply
    1,181,920.40x = 1,771,714.20 × 582,390.80
  4. Step 4: Simplify right side
    1,181,920.40x = 1,031,830,050,309.36
  5. Step 5: Solve for x
    x = 1,031,830,050,309.36/1,181,920.40
  6. Step 6: Final answer
    x = 873,011.46

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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.