Home / 761,730.48-1,051,221.24-422,199

Finding the Fourth Proportional to 761,730.48, 1,051,221.24 and 422,199

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Solution

The fourth proportional to 761,730.48, 1,051,221.24 and 422,199 is: 582,653.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,730.48 : 1,051,221.24 = 422,199 : x
  2. Step 2: Convert to fraction form
    761,730.48/1,051,221.24 = 422,199/x
  3. Step 3: Cross multiply
    761,730.48x = 1,051,221.24 × 422,199
  4. Step 4: Simplify right side
    761,730.48x = 443,824,556,306.76
  5. Step 5: Solve for x
    x = 443,824,556,306.76/761,730.48
  6. Step 6: Final answer
    x = 582,653.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.