Home / 1,406,154.08-1,940,486.60-785,958.38

Finding the Fourth Proportional to 1,406,154.08, 1,940,486.60 and 785,958.38

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Solution

The fourth proportional to 1,406,154.08, 1,940,486.60 and 785,958.38 is: 1,084,619.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,154.08 : 1,940,486.60 = 785,958.38 : x
  2. Step 2: Convert to fraction form
    1,406,154.08/1,940,486.60 = 785,958.38/x
  3. Step 3: Cross multiply
    1,406,154.08x = 1,940,486.60 × 785,958.38
  4. Step 4: Simplify right side
    1,406,154.08x = 1,525,141,699,665.98
  5. Step 5: Solve for x
    x = 1,525,141,699,665.98/1,406,154.08
  6. Step 6: Final answer
    x = 1,084,619.19

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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.