Home / 706,340.88-1,059,487.52-306,981.68

Finding the Fourth Proportional to 706,340.88, 1,059,487.52 and 306,981.68

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Solution

The fourth proportional to 706,340.88, 1,059,487.52 and 306,981.68 is: 460,462.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,340.88 : 1,059,487.52 = 306,981.68 : x
  2. Step 2: Convert to fraction form
    706,340.88/1,059,487.52 = 306,981.68/x
  3. Step 3: Cross multiply
    706,340.88x = 1,059,487.52 × 306,981.68
  4. Step 4: Simplify right side
    706,340.88x = 325,243,258,828.63
  5. Step 5: Solve for x
    x = 325,243,258,828.63/706,340.88
  6. Step 6: Final answer
    x = 460,462.18

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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.