Home / 821,351.14-1,133,452.44-458,780.36

Finding the Fourth Proportional to 821,351.14, 1,133,452.44 and 458,780.36

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Solution

The fourth proportional to 821,351.14, 1,133,452.44 and 458,780.36 is: 633,110.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,351.14 : 1,133,452.44 = 458,780.36 : x
  2. Step 2: Convert to fraction form
    821,351.14/1,133,452.44 = 458,780.36/x
  3. Step 3: Cross multiply
    821,351.14x = 1,133,452.44 × 458,780.36
  4. Step 4: Simplify right side
    821,351.14x = 520,005,712,798.82
  5. Step 5: Solve for x
    x = 520,005,712,798.82/821,351.14
  6. Step 6: Final answer
    x = 633,110.11

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1.5x scale

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.