Home / 545,917.50-753,389.46-304,200.36

Finding the Fourth Proportional to 545,917.50, 753,389.46 and 304,200.36

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Solution

The fourth proportional to 545,917.50, 753,389.46 and 304,200.36 is: 419,809.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,917.50 : 753,389.46 = 304,200.36 : x
  2. Step 2: Convert to fraction form
    545,917.50/753,389.46 = 304,200.36/x
  3. Step 3: Cross multiply
    545,917.50x = 753,389.46 × 304,200.36
  4. Step 4: Simplify right side
    545,917.50x = 229,181,344,952.21
  5. Step 5: Solve for x
    x = 229,181,344,952.21/545,917.50
  6. Step 6: Final answer
    x = 419,809.49

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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.