Home / 917,834.44-1,376,543.76-349,012.75

Finding the Fourth Proportional to 917,834.44, 1,376,543.76 and 349,012.75

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Solution

The fourth proportional to 917,834.44, 1,376,543.76 and 349,012.75 is: 523,440.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,834.44 : 1,376,543.76 = 349,012.75 : x
  2. Step 2: Convert to fraction form
    917,834.44/1,376,543.76 = 349,012.75/x
  3. Step 3: Cross multiply
    917,834.44x = 1,376,543.76 × 349,012.75
  4. Step 4: Simplify right side
    917,834.44x = 480,431,323,172.94
  5. Step 5: Solve for x
    x = 480,431,323,172.94/917,834.44
  6. Step 6: Final answer
    x = 523,440.07

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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.