Home / 876,732.54-1,210,166.58-514,302.90

Finding the Fourth Proportional to 876,732.54, 1,210,166.58 and 514,302.90

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Solution

The fourth proportional to 876,732.54, 1,210,166.58 and 514,302.90 is: 709,899.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,732.54 : 1,210,166.58 = 514,302.90 : x
  2. Step 2: Convert to fraction form
    876,732.54/1,210,166.58 = 514,302.90/x
  3. Step 3: Cross multiply
    876,732.54x = 1,210,166.58 × 514,302.90
  4. Step 4: Simplify right side
    876,732.54x = 622,392,181,577.08
  5. Step 5: Solve for x
    x = 622,392,181,577.08/876,732.54
  6. Step 6: Final answer
    x = 709,899.72

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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.