Home / 1,185,963.18-1,636,609.34-642,094.56

Finding the Fourth Proportional to 1,185,963.18, 1,636,609.34 and 642,094.56

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Solution

The fourth proportional to 1,185,963.18, 1,636,609.34 and 642,094.56 is: 886,079.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,963.18 : 1,636,609.34 = 642,094.56 : x
  2. Step 2: Convert to fraction form
    1,185,963.18/1,636,609.34 = 642,094.56/x
  3. Step 3: Cross multiply
    1,185,963.18x = 1,636,609.34 × 642,094.56
  4. Step 4: Simplify right side
    1,185,963.18x = 1,050,857,950,848.72
  5. Step 5: Solve for x
    x = 1,050,857,950,848.72/1,185,963.18
  6. Step 6: Final answer
    x = 886,079.74

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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.