Home / 1,185,961.56-1,636,607.10-642,092.93

Finding the Fourth Proportional to 1,185,961.56, 1,636,607.10 and 642,092.93

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Solution

The fourth proportional to 1,185,961.56, 1,636,607.10 and 642,092.93 is: 886,077.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,961.56 : 1,636,607.10 = 642,092.93 : x
  2. Step 2: Convert to fraction form
    1,185,961.56/1,636,607.10 = 642,092.93/x
  3. Step 3: Cross multiply
    1,185,961.56x = 1,636,607.10 × 642,092.93
  4. Step 4: Simplify right side
    1,185,961.56x = 1,050,853,848,097.80
  5. Step 5: Solve for x
    x = 1,050,853,848,097.80/1,185,961.56
  6. Step 6: Final answer
    x = 886,077.49

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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.