Home / 1,186,046.23-1,636,744.53-642,182.41

Finding the Fourth Proportional to 1,186,046.23, 1,636,744.53 and 642,182.41

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Solution

The fourth proportional to 1,186,046.23, 1,636,744.53 and 642,182.41 is: 886,212.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,046.23 : 1,636,744.53 = 642,182.41 : x
  2. Step 2: Convert to fraction form
    1,186,046.23/1,636,744.53 = 642,182.41/x
  3. Step 3: Cross multiply
    1,186,046.23x = 1,636,744.53 × 642,182.41
  4. Step 4: Simplify right side
    1,186,046.23x = 1,051,088,546,829.72
  5. Step 5: Solve for x
    x = 1,051,088,546,829.72/1,186,046.23
  6. Step 6: Final answer
    x = 886,212.12

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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.