Home / 1,171,511.71-1,616,664.76-662,214.08

Finding the Fourth Proportional to 1,171,511.71, 1,616,664.76 and 662,214.08

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Solution

The fourth proportional to 1,171,511.71, 1,616,664.76 and 662,214.08 is: 913,843.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,511.71 : 1,616,664.76 = 662,214.08 : x
  2. Step 2: Convert to fraction form
    1,171,511.71/1,616,664.76 = 662,214.08/x
  3. Step 3: Cross multiply
    1,171,511.71x = 1,616,664.76 × 662,214.08
  4. Step 4: Simplify right side
    1,171,511.71x = 1,070,578,169,097.95
  5. Step 5: Solve for x
    x = 1,070,578,169,097.95/1,171,511.71
  6. Step 6: Final answer
    x = 913,843.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.