Home / 1,406,456.65-1,940,919.51-761,876.83

Finding the Fourth Proportional to 1,406,456.65, 1,940,919.51 and 761,876.83

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Solution

The fourth proportional to 1,406,456.65, 1,940,919.51 and 761,876.83 is: 1,051,395.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,456.65 : 1,940,919.51 = 761,876.83 : x
  2. Step 2: Convert to fraction form
    1,406,456.65/1,940,919.51 = 761,876.83/x
  3. Step 3: Cross multiply
    1,406,456.65x = 1,940,919.51 × 761,876.83
  4. Step 4: Simplify right side
    1,406,456.65x = 1,478,741,603,563.95
  5. Step 5: Solve for x
    x = 1,478,741,603,563.95/1,406,456.65
  6. Step 6: Final answer
    x = 1,051,395.08

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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.