Home / 938,834.84-1,295,592.44-509,114.86

Finding the Fourth Proportional to 938,834.84, 1,295,592.44 and 509,114.86

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Solution

The fourth proportional to 938,834.84, 1,295,592.44 and 509,114.86 is: 702,578.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,834.84 : 1,295,592.44 = 509,114.86 : x
  2. Step 2: Convert to fraction form
    938,834.84/1,295,592.44 = 509,114.86/x
  3. Step 3: Cross multiply
    938,834.84x = 1,295,592.44 × 509,114.86
  4. Step 4: Simplify right side
    938,834.84x = 659,605,357,923.10
  5. Step 5: Solve for x
    x = 659,605,357,923.10/938,834.84
  6. Step 6: Final answer
    x = 702,578.69

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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.