Home / 1,301,871.56-1,953,119.07-543,291.05

Finding the Fourth Proportional to 1,301,871.56, 1,953,119.07 and 543,291.05

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Solution

The fourth proportional to 1,301,871.56, 1,953,119.07 and 543,291.05 is: 815,066.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,871.56 : 1,953,119.07 = 543,291.05 : x
  2. Step 2: Convert to fraction form
    1,301,871.56/1,953,119.07 = 543,291.05/x
  3. Step 3: Cross multiply
    1,301,871.56x = 1,953,119.07 × 543,291.05
  4. Step 4: Simplify right side
    1,301,871.56x = 1,061,112,110,315.32
  5. Step 5: Solve for x
    x = 1,061,112,110,315.32/1,301,871.56
  6. Step 6: Final answer
    x = 815,066.66

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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.