Home / 859,569.71-1,289,397.40-327,132

Finding the Fourth Proportional to 859,569.71, 1,289,397.40 and 327,132

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Solution

The fourth proportional to 859,569.71, 1,289,397.40 and 327,132 is: 490,714.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,569.71 : 1,289,397.40 = 327,132 : x
  2. Step 2: Convert to fraction form
    859,569.71/1,289,397.40 = 327,132/x
  3. Step 3: Cross multiply
    859,569.71x = 1,289,397.40 × 327,132
  4. Step 4: Simplify right side
    859,569.71x = 421,803,149,438.97
  5. Step 5: Solve for x
    x = 421,803,149,438.97/859,569.71
  6. Step 6: Final answer
    x = 490,714.30

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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.