Home / 545,845.44-753,255.36-304,127.04

Finding the Fourth Proportional to 545,845.44, 753,255.36 and 304,127.04

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Solution

The fourth proportional to 545,845.44, 753,255.36 and 304,127.04 is: 419,688.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,845.44 : 753,255.36 = 304,127.04 : x
  2. Step 2: Convert to fraction form
    545,845.44/753,255.36 = 304,127.04/x
  3. Step 3: Cross multiply
    545,845.44x = 753,255.36 × 304,127.04
  4. Step 4: Simplify right side
    545,845.44x = 229,085,323,000.93
  5. Step 5: Solve for x
    x = 229,085,323,000.93/545,845.44
  6. Step 6: Final answer
    x = 419,688.99

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1.5x scale

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.