Home / 1,186,876.77-1,780,128.76-377,154.58

Finding the Fourth Proportional to 1,186,876.77, 1,780,128.76 and 377,154.58

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Solution

The fourth proportional to 1,186,876.77, 1,780,128.76 and 377,154.58 is: 565,672.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,876.77 : 1,780,128.76 = 377,154.58 : x
  2. Step 2: Convert to fraction form
    1,186,876.77/1,780,128.76 = 377,154.58/x
  3. Step 3: Cross multiply
    1,186,876.77x = 1,780,128.76 × 377,154.58
  4. Step 4: Simplify right side
    1,186,876.77x = 671,383,717,951.68
  5. Step 5: Solve for x
    x = 671,383,717,951.68/1,186,876.77
  6. Step 6: Final answer
    x = 565,672.64

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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.