Home / 1,256,892.38-1,885,633.87-415,444.14

Finding the Fourth Proportional to 1,256,892.38, 1,885,633.87 and 415,444.14

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Solution

The fourth proportional to 1,256,892.38, 1,885,633.87 and 415,444.14 is: 623,263.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,892.38 : 1,885,633.87 = 415,444.14 : x
  2. Step 2: Convert to fraction form
    1,256,892.38/1,885,633.87 = 415,444.14/x
  3. Step 3: Cross multiply
    1,256,892.38x = 1,885,633.87 × 415,444.14
  4. Step 4: Simplify right side
    1,256,892.38x = 783,375,541,477.02
  5. Step 5: Solve for x
    x = 783,375,541,477.02/1,256,892.38
  6. Step 6: Final answer
    x = 623,263.82

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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.