Home / 558,009.36-770,113.04-316,265.94

Finding the Fourth Proportional to 558,009.36, 770,113.04 and 316,265.94

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Solution

The fourth proportional to 558,009.36, 770,113.04 and 316,265.94 is: 436,481.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,009.36 : 770,113.04 = 316,265.94 : x
  2. Step 2: Convert to fraction form
    558,009.36/770,113.04 = 316,265.94/x
  3. Step 3: Cross multiply
    558,009.36x = 770,113.04 × 316,265.94
  4. Step 4: Simplify right side
    558,009.36x = 243,560,522,920.53
  5. Step 5: Solve for x
    x = 243,560,522,920.53/558,009.36
  6. Step 6: Final answer
    x = 436,481.07

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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.