Home / 694,310.40-1,042,243.20-537,235.20

Finding the Fourth Proportional to 694,310.40, 1,042,243.20 and 537,235.20

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Solution

The fourth proportional to 694,310.40, 1,042,243.20 and 537,235.20 is: 806,454.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,310.40 : 1,042,243.20 = 537,235.20 : x
  2. Step 2: Convert to fraction form
    694,310.40/1,042,243.20 = 537,235.20/x
  3. Step 3: Cross multiply
    694,310.40x = 1,042,243.20 × 537,235.20
  4. Step 4: Simplify right side
    694,310.40x = 559,929,734,000.64
  5. Step 5: Solve for x
    x = 559,929,734,000.64/694,310.40
  6. Step 6: Final answer
    x = 806,454.48

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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.