Home / 992,196.20-1,487,812.86-581,977.58

Finding the Fourth Proportional to 992,196.20, 1,487,812.86 and 581,977.58

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Solution

The fourth proportional to 992,196.20, 1,487,812.86 and 581,977.58 is: 872,683.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,196.20 : 1,487,812.86 = 581,977.58 : x
  2. Step 2: Convert to fraction form
    992,196.20/1,487,812.86 = 581,977.58/x
  3. Step 3: Cross multiply
    992,196.20x = 1,487,812.86 × 581,977.58
  4. Step 4: Simplify right side
    992,196.20x = 865,873,720,316.62
  5. Step 5: Solve for x
    x = 865,873,720,316.62/992,196.20
  6. Step 6: Final answer
    x = 872,683.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.