Home / 851,645.80-1,278,000.54-567,535.72

Finding the Fourth Proportional to 851,645.80, 1,278,000.54 and 567,535.72

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Solution

The fourth proportional to 851,645.80, 1,278,000.54 and 567,535.72 is: 851,658.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,645.80 : 1,278,000.54 = 567,535.72 : x
  2. Step 2: Convert to fraction form
    851,645.80/1,278,000.54 = 567,535.72/x
  3. Step 3: Cross multiply
    851,645.80x = 1,278,000.54 × 567,535.72
  4. Step 4: Simplify right side
    851,645.80x = 725,310,956,629.29
  5. Step 5: Solve for x
    x = 725,310,956,629.29/851,645.80
  6. Step 6: Final answer
    x = 851,658.00

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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.