Home / 1,191,151.95-1,787,061.44-481,678.22

Finding the Fourth Proportional to 1,191,151.95, 1,787,061.44 and 481,678.22

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Solution

The fourth proportional to 1,191,151.95, 1,787,061.44 and 481,678.22 is: 722,652.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,151.95 : 1,787,061.44 = 481,678.22 : x
  2. Step 2: Convert to fraction form
    1,191,151.95/1,787,061.44 = 481,678.22/x
  3. Step 3: Cross multiply
    1,191,151.95x = 1,787,061.44 × 481,678.22
  4. Step 4: Simplify right side
    1,191,151.95x = 860,788,562,106.14
  5. Step 5: Solve for x
    x = 860,788,562,106.14/1,191,151.95
  6. Step 6: Final answer
    x = 722,652.19

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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.