Home / 1,533,703.72-2,116,519.56-889,505.92

Finding the Fourth Proportional to 1,533,703.72, 2,116,519.56 and 889,505.92

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Solution

The fourth proportional to 1,533,703.72, 2,116,519.56 and 889,505.92 is: 1,227,523.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,703.72 : 2,116,519.56 = 889,505.92 : x
  2. Step 2: Convert to fraction form
    1,533,703.72/2,116,519.56 = 889,505.92/x
  3. Step 3: Cross multiply
    1,533,703.72x = 2,116,519.56 × 889,505.92
  4. Step 4: Simplify right side
    1,533,703.72x = 1,882,656,678,415.80
  5. Step 5: Solve for x
    x = 1,882,656,678,415.80/1,533,703.72
  6. Step 6: Final answer
    x = 1,227,523.06

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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.