Home / 945,780.66-1,419,313.59-384,917.22

Finding the Fourth Proportional to 945,780.66, 1,419,313.59 and 384,917.22

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Solution

The fourth proportional to 945,780.66, 1,419,313.59 and 384,917.22 is: 577,637.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,780.66 : 1,419,313.59 = 384,917.22 : x
  2. Step 2: Convert to fraction form
    945,780.66/1,419,313.59 = 384,917.22/x
  3. Step 3: Cross multiply
    945,780.66x = 1,419,313.59 × 384,917.22
  4. Step 4: Simplify right side
    945,780.66x = 546,318,241,371.02
  5. Step 5: Solve for x
    x = 546,318,241,371.02/945,780.66
  6. Step 6: Final answer
    x = 577,637.36

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1.5x scale

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.