Home / 863,243.88-1,191,506.30-509,934.22

Finding the Fourth Proportional to 863,243.88, 1,191,506.30 and 509,934.22

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Solution

The fourth proportional to 863,243.88, 1,191,506.30 and 509,934.22 is: 703,844.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,243.88 : 1,191,506.30 = 509,934.22 : x
  2. Step 2: Convert to fraction form
    863,243.88/1,191,506.30 = 509,934.22/x
  3. Step 3: Cross multiply
    863,243.88x = 1,191,506.30 × 509,934.22
  4. Step 4: Simplify right side
    863,243.88x = 607,589,835,715.59
  5. Step 5: Solve for x
    x = 607,589,835,715.59/863,243.88
  6. Step 6: Final answer
    x = 703,844.94

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Double scale
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1.5x scale

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.