Home / 1,259,426.30-1,889,327.22-406,217.48

Finding the Fourth Proportional to 1,259,426.30, 1,889,327.22 and 406,217.48

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Solution

The fourth proportional to 1,259,426.30, 1,889,327.22 and 406,217.48 is: 609,386.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,426.30 : 1,889,327.22 = 406,217.48 : x
  2. Step 2: Convert to fraction form
    1,259,426.30/1,889,327.22 = 406,217.48/x
  3. Step 3: Cross multiply
    1,259,426.30x = 1,889,327.22 × 406,217.48
  4. Step 4: Simplify right side
    1,259,426.30x = 767,477,742,203.81
  5. Step 5: Solve for x
    x = 767,477,742,203.81/1,259,426.30
  6. Step 6: Final answer
    x = 609,386.78

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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.