Home / 1,186,879.77-1,780,133.26-377,157.58

Finding the Fourth Proportional to 1,186,879.77, 1,780,133.26 and 377,157.58

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Solution

The fourth proportional to 1,186,879.77, 1,780,133.26 and 377,157.58 is: 565,677.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,879.77 : 1,780,133.26 = 377,157.58 : x
  2. Step 2: Convert to fraction form
    1,186,879.77/1,780,133.26 = 377,157.58/x
  3. Step 3: Cross multiply
    1,186,879.77x = 1,780,133.26 × 377,157.58
  4. Step 4: Simplify right side
    1,186,879.77x = 671,390,752,419.11
  5. Step 5: Solve for x
    x = 671,390,752,419.11/1,186,879.77
  6. Step 6: Final answer
    x = 565,677.14

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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.