Home / 876,366.66-1,210,123.44-554,644.38

Finding the Fourth Proportional to 876,366.66, 1,210,123.44 and 554,644.38

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Solution

The fourth proportional to 876,366.66, 1,210,123.44 and 554,644.38 is: 765,875.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,366.66 : 1,210,123.44 = 554,644.38 : x
  2. Step 2: Convert to fraction form
    876,366.66/1,210,123.44 = 554,644.38/x
  3. Step 3: Cross multiply
    876,366.66x = 1,210,123.44 × 554,644.38
  4. Step 4: Simplify right side
    876,366.66x = 671,188,165,102.27
  5. Step 5: Solve for x
    x = 671,188,165,102.27/876,366.66
  6. Step 6: Final answer
    x = 765,875.97

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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.