Home / 1,186,173.10-1,780,440.63-653,944.78

Finding the Fourth Proportional to 1,186,173.10, 1,780,440.63 and 653,944.78

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Solution

The fourth proportional to 1,186,173.10, 1,780,440.63 and 653,944.78 is: 981,568.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,173.10 : 1,780,440.63 = 653,944.78 : x
  2. Step 2: Convert to fraction form
    1,186,173.10/1,780,440.63 = 653,944.78/x
  3. Step 3: Cross multiply
    1,186,173.10x = 1,780,440.63 × 653,944.78
  4. Step 4: Simplify right side
    1,186,173.10x = 1,164,309,856,088.41
  5. Step 5: Solve for x
    x = 1,164,309,856,088.41/1,186,173.10
  6. Step 6: Final answer
    x = 981,568.25

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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.