Home / 558,275.45-770,405.51-325,746.86

Finding the Fourth Proportional to 558,275.45, 770,405.51 and 325,746.86

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Solution

The fourth proportional to 558,275.45, 770,405.51 and 325,746.86 is: 449,522.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,275.45 : 770,405.51 = 325,746.86 : x
  2. Step 2: Convert to fraction form
    558,275.45/770,405.51 = 325,746.86/x
  3. Step 3: Cross multiply
    558,275.45x = 770,405.51 × 325,746.86
  4. Step 4: Simplify right side
    558,275.45x = 250,957,172,771.54
  5. Step 5: Solve for x
    x = 250,957,172,771.54/558,275.45
  6. Step 6: Final answer
    x = 449,522.14

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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.