Home / 927,511.26-1,279,962.68-514,074.40

Finding the Fourth Proportional to 927,511.26, 1,279,962.68 and 514,074.40

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Solution

The fourth proportional to 927,511.26, 1,279,962.68 and 514,074.40 is: 709,421.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,511.26 : 1,279,962.68 = 514,074.40 : x
  2. Step 2: Convert to fraction form
    927,511.26/1,279,962.68 = 514,074.40/x
  3. Step 3: Cross multiply
    927,511.26x = 1,279,962.68 × 514,074.40
  4. Step 4: Simplify right side
    927,511.26x = 657,996,046,743.39
  5. Step 5: Solve for x
    x = 657,996,046,743.39/927,511.26
  6. Step 6: Final answer
    x = 709,421.09

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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.