Home / 873,186.15-1,309,779.27-242,099.97

Finding the Fourth Proportional to 873,186.15, 1,309,779.27 and 242,099.97

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Solution

The fourth proportional to 873,186.15, 1,309,779.27 and 242,099.97 is: 363,149.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,186.15 : 1,309,779.27 = 242,099.97 : x
  2. Step 2: Convert to fraction form
    873,186.15/1,309,779.27 = 242,099.97/x
  3. Step 3: Cross multiply
    873,186.15x = 1,309,779.27 × 242,099.97
  4. Step 4: Simplify right side
    873,186.15x = 317,097,521,973.62
  5. Step 5: Solve for x
    x = 317,097,521,973.62/873,186.15
  6. Step 6: Final answer
    x = 363,149.97

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Double scale
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1.5x scale

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.