Home / 545,904.05-753,339.96-304,196.81

Finding the Fourth Proportional to 545,904.05, 753,339.96 and 304,196.81

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Solution

The fourth proportional to 545,904.05, 753,339.96 and 304,196.81 is: 419,787.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,904.05 : 753,339.96 = 304,196.81 : x
  2. Step 2: Convert to fraction form
    545,904.05/753,339.96 = 304,196.81/x
  3. Step 3: Cross multiply
    545,904.05x = 753,339.96 × 304,196.81
  4. Step 4: Simplify right side
    545,904.05x = 229,163,608,910.83
  5. Step 5: Solve for x
    x = 229,163,608,910.83/545,904.05
  6. Step 6: Final answer
    x = 419,787.34

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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.