Home / 1,406,227.36-1,940,578.32-761,631.52

Finding the Fourth Proportional to 1,406,227.36, 1,940,578.32 and 761,631.52

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Solution

The fourth proportional to 1,406,227.36, 1,940,578.32 and 761,631.52 is: 1,051,043.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,227.36 : 1,940,578.32 = 761,631.52 : x
  2. Step 2: Convert to fraction form
    1,406,227.36/1,940,578.32 = 761,631.52/x
  3. Step 3: Cross multiply
    1,406,227.36x = 1,940,578.32 × 761,631.52
  4. Step 4: Simplify right side
    1,406,227.36x = 1,478,005,615,540.65
  5. Step 5: Solve for x
    x = 1,478,005,615,540.65/1,406,227.36
  6. Step 6: Final answer
    x = 1,051,043.14

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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.