Home / 706,339.80-1,059,486.30-306,981.06

Finding the Fourth Proportional to 706,339.80, 1,059,486.30 and 306,981.06

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Solution

The fourth proportional to 706,339.80, 1,059,486.30 and 306,981.06 is: 460,461.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,339.80 : 1,059,486.30 = 306,981.06 : x
  2. Step 2: Convert to fraction form
    706,339.80/1,059,486.30 = 306,981.06/x
  3. Step 3: Cross multiply
    706,339.80x = 1,059,486.30 × 306,981.06
  4. Step 4: Simplify right side
    706,339.80x = 325,242,227,429.48
  5. Step 5: Solve for x
    x = 325,242,227,429.48/706,339.80
  6. Step 6: Final answer
    x = 460,461.42

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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.