Home / 545,905.05-753,341.34-304,197.81

Finding the Fourth Proportional to 545,905.05, 753,341.34 and 304,197.81

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Solution

The fourth proportional to 545,905.05, 753,341.34 and 304,197.81 is: 419,788.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,905.05 : 753,341.34 = 304,197.81 : x
  2. Step 2: Convert to fraction form
    545,905.05/753,341.34 = 304,197.81/x
  3. Step 3: Cross multiply
    545,905.05x = 753,341.34 × 304,197.81
  4. Step 4: Simplify right side
    545,905.05x = 229,164,785,810.47
  5. Step 5: Solve for x
    x = 229,164,785,810.47/545,905.05
  6. Step 6: Final answer
    x = 419,788.73

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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.