Home / 1,077,715.96-1,616,104.53-309,043.82

Finding the Fourth Proportional to 1,077,715.96, 1,616,104.53 and 309,043.82

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Solution

The fourth proportional to 1,077,715.96, 1,616,104.53 and 309,043.82 is: 463,431.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,715.96 : 1,616,104.53 = 309,043.82 : x
  2. Step 2: Convert to fraction form
    1,077,715.96/1,616,104.53 = 309,043.82/x
  3. Step 3: Cross multiply
    1,077,715.96x = 1,616,104.53 × 309,043.82
  4. Step 4: Simplify right side
    1,077,715.96x = 499,447,121,510.77
  5. Step 5: Solve for x
    x = 499,447,121,510.77/1,077,715.96
  6. Step 6: Final answer
    x = 463,431.13

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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.