Home / 544,032.20-815,817.90-263,635.40

Finding the Fourth Proportional to 544,032.20, 815,817.90 and 263,635.40

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Solution

The fourth proportional to 544,032.20, 815,817.90 and 263,635.40 is: 395,341.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,032.20 : 815,817.90 = 263,635.40 : x
  2. Step 2: Convert to fraction form
    544,032.20/815,817.90 = 263,635.40/x
  3. Step 3: Cross multiply
    544,032.20x = 815,817.90 × 263,635.40
  4. Step 4: Simplify right side
    544,032.20x = 215,078,478,393.66
  5. Step 5: Solve for x
    x = 215,078,478,393.66/544,032.20
  6. Step 6: Final answer
    x = 395,341.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.