Home / 1,406,369.70-1,940,651.16-786,058.74

Finding the Fourth Proportional to 1,406,369.70, 1,940,651.16 and 786,058.74

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Solution

The fourth proportional to 1,406,369.70, 1,940,651.16 and 786,058.74 is: 1,084,683.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,369.70 : 1,940,651.16 = 786,058.74 : x
  2. Step 2: Convert to fraction form
    1,406,369.70/1,940,651.16 = 786,058.74/x
  3. Step 3: Cross multiply
    1,406,369.70x = 1,940,651.16 × 786,058.74
  4. Step 4: Simplify right side
    1,406,369.70x = 1,525,465,805,609.14
  5. Step 5: Solve for x
    x = 1,525,465,805,609.14/1,406,369.70
  6. Step 6: Final answer
    x = 1,084,683.36

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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.