Home / 1,090,715.22-1,636,307.36-543,905.59

Finding the Fourth Proportional to 1,090,715.22, 1,636,307.36 and 543,905.59

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Solution

The fourth proportional to 1,090,715.22, 1,636,307.36 and 543,905.59 is: 815,975.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,715.22 : 1,636,307.36 = 543,905.59 : x
  2. Step 2: Convert to fraction form
    1,090,715.22/1,636,307.36 = 543,905.59/x
  3. Step 3: Cross multiply
    1,090,715.22x = 1,636,307.36 × 543,905.59
  4. Step 4: Simplify right side
    1,090,715.22x = 889,996,720,062.14
  5. Step 5: Solve for x
    x = 889,996,720,062.14/1,090,715.22
  6. Step 6: Final answer
    x = 815,975.34

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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.