Home / 825,851.90-1,236,784.95-469,786.43

Finding the Fourth Proportional to 825,851.90, 1,236,784.95 and 469,786.43

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Solution

The fourth proportional to 825,851.90, 1,236,784.95 and 469,786.43 is: 703,545.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,851.90 : 1,236,784.95 = 469,786.43 : x
  2. Step 2: Convert to fraction form
    825,851.90/1,236,784.95 = 469,786.43/x
  3. Step 3: Cross multiply
    825,851.90x = 1,236,784.95 × 469,786.43
  4. Step 4: Simplify right side
    825,851.90x = 581,024,789,430.19
  5. Step 5: Solve for x
    x = 581,024,789,430.19/825,851.90
  6. Step 6: Final answer
    x = 703,545.98

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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.