Home / 1,678,992.33-2,317,017.42-953,879.90

Finding the Fourth Proportional to 1,678,992.33, 2,317,017.42 and 953,879.90

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Solution

The fourth proportional to 1,678,992.33, 2,317,017.42 and 953,879.90 is: 1,316,358.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,992.33 : 2,317,017.42 = 953,879.90 : x
  2. Step 2: Convert to fraction form
    1,678,992.33/2,317,017.42 = 953,879.90/x
  3. Step 3: Cross multiply
    1,678,992.33x = 2,317,017.42 × 953,879.90
  4. Step 4: Simplify right side
    1,678,992.33x = 2,210,156,333,302.77
  5. Step 5: Solve for x
    x = 2,210,156,333,302.77/1,678,992.33
  6. Step 6: Final answer
    x = 1,316,358.80

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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.