Home / 1,086,496.70-1,627,614.36-630,129.20

Finding the Fourth Proportional to 1,086,496.70, 1,627,614.36 and 630,129.20

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Solution

The fourth proportional to 1,086,496.70, 1,627,614.36 and 630,129.20 is: 943,958.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,496.70 : 1,627,614.36 = 630,129.20 : x
  2. Step 2: Convert to fraction form
    1,086,496.70/1,627,614.36 = 630,129.20/x
  3. Step 3: Cross multiply
    1,086,496.70x = 1,627,614.36 × 630,129.20
  4. Step 4: Simplify right side
    1,086,496.70x = 1,025,607,326,437.24
  5. Step 5: Solve for x
    x = 1,025,607,326,437.24/1,086,496.70
  6. Step 6: Final answer
    x = 943,958.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.