Home / 852,172.86-1,175,834.70-512,662.98

Finding the Fourth Proportional to 852,172.86, 1,175,834.70 and 512,662.98

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Solution

The fourth proportional to 852,172.86, 1,175,834.70 and 512,662.98 is: 707,376.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,172.86 : 1,175,834.70 = 512,662.98 : x
  2. Step 2: Convert to fraction form
    852,172.86/1,175,834.70 = 512,662.98/x
  3. Step 3: Cross multiply
    852,172.86x = 1,175,834.70 × 512,662.98
  4. Step 4: Simplify right side
    852,172.86x = 602,806,921,289.41
  5. Step 5: Solve for x
    x = 602,806,921,289.41/852,172.86
  6. Step 6: Final answer
    x = 707,376.34

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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.