Home / 545,905.36-753,339.20-304,182.80

Finding the Fourth Proportional to 545,905.36, 753,339.20 and 304,182.80

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Solution

The fourth proportional to 545,905.36, 753,339.20 and 304,182.80 is: 419,766.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,905.36 : 753,339.20 = 304,182.80 : x
  2. Step 2: Convert to fraction form
    545,905.36/753,339.20 = 304,182.80/x
  3. Step 3: Cross multiply
    545,905.36x = 753,339.20 × 304,182.80
  4. Step 4: Simplify right side
    545,905.36x = 229,152,827,205.76
  5. Step 5: Solve for x
    x = 229,152,827,205.76/545,905.36
  6. Step 6: Final answer
    x = 419,766.58

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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.