Home / 545,909.59-753,378.33-304,192.27

Finding the Fourth Proportional to 545,909.59, 753,378.33 and 304,192.27

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Solution

The fourth proportional to 545,909.59, 753,378.33 and 304,192.27 is: 419,798.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,909.59 : 753,378.33 = 304,192.27 : x
  2. Step 2: Convert to fraction form
    545,909.59/753,378.33 = 304,192.27/x
  3. Step 3: Cross multiply
    545,909.59x = 753,378.33 × 304,192.27
  4. Step 4: Simplify right side
    545,909.59x = 229,171,864,371.51
  5. Step 5: Solve for x
    x = 229,171,864,371.51/545,909.59
  6. Step 6: Final answer
    x = 419,798.20

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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.