Home / 1,401,888.24-1,935,251.60-821,030.56

Finding the Fourth Proportional to 1,401,888.24, 1,935,251.60 and 821,030.56

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Solution

The fourth proportional to 1,401,888.24, 1,935,251.60 and 821,030.56 is: 1,133,400.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,888.24 : 1,935,251.60 = 821,030.56 : x
  2. Step 2: Convert to fraction form
    1,401,888.24/1,935,251.60 = 821,030.56/x
  3. Step 3: Cross multiply
    1,401,888.24x = 1,935,251.60 × 821,030.56
  4. Step 4: Simplify right side
    1,401,888.24x = 1,588,900,704,888.90
  5. Step 5: Solve for x
    x = 1,588,900,704,888.90/1,401,888.24
  6. Step 6: Final answer
    x = 1,133,400.41

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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.