Home / 1,247,687.50-1,721,977.23-703,934.86

Finding the Fourth Proportional to 1,247,687.50, 1,721,977.23 and 703,934.86

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Solution

The fourth proportional to 1,247,687.50, 1,721,977.23 and 703,934.86 is: 971,525.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,687.50 : 1,721,977.23 = 703,934.86 : x
  2. Step 2: Convert to fraction form
    1,247,687.50/1,721,977.23 = 703,934.86/x
  3. Step 3: Cross multiply
    1,247,687.50x = 1,721,977.23 × 703,934.86
  4. Step 4: Simplify right side
    1,247,687.50x = 1,212,159,800,323.24
  5. Step 5: Solve for x
    x = 1,212,159,800,323.24/1,247,687.50
  6. Step 6: Final answer
    x = 971,525.16

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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.