Home / 1,216,705-1,824,926.07-406,997.62

Finding the Fourth Proportional to 1,216,705, 1,824,926.07 and 406,997.62

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Solution

The fourth proportional to 1,216,705, 1,824,926.07 and 406,997.62 is: 610,452.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,705 : 1,824,926.07 = 406,997.62 : x
  2. Step 2: Convert to fraction form
    1,216,705/1,824,926.07 = 406,997.62/x
  3. Step 3: Cross multiply
    1,216,705x = 1,824,926.07 × 406,997.62
  4. Step 4: Simplify right side
    1,216,705x = 742,740,567,165.95
  5. Step 5: Solve for x
    x = 742,740,567,165.95/1,216,705
  6. Step 6: Final answer
    x = 610,452.47

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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.