Home / 1,191,133.86-1,786,696.53-517,127.19

Finding the Fourth Proportional to 1,191,133.86, 1,786,696.53 and 517,127.19

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Solution

The fourth proportional to 1,191,133.86, 1,786,696.53 and 517,127.19 is: 775,688.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,133.86 : 1,786,696.53 = 517,127.19 : x
  2. Step 2: Convert to fraction form
    1,191,133.86/1,786,696.53 = 517,127.19/x
  3. Step 3: Cross multiply
    1,191,133.86x = 1,786,696.53 × 517,127.19
  4. Step 4: Simplify right side
    1,191,133.86x = 923,949,355,941.65
  5. Step 5: Solve for x
    x = 923,949,355,941.65/1,191,133.86
  6. Step 6: Final answer
    x = 775,688.94

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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.