Home / 945,784.68-1,419,319.60-384,921.24

Finding the Fourth Proportional to 945,784.68, 1,419,319.60 and 384,921.24

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Solution

The fourth proportional to 945,784.68, 1,419,319.60 and 384,921.24 is: 577,643.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,784.68 : 1,419,319.60 = 384,921.24 : x
  2. Step 2: Convert to fraction form
    945,784.68/1,419,319.60 = 384,921.24/x
  3. Step 3: Cross multiply
    945,784.68x = 1,419,319.60 × 384,921.24
  4. Step 4: Simplify right side
    945,784.68x = 546,326,260,388.30
  5. Step 5: Solve for x
    x = 546,326,260,388.30/945,784.68
  6. Step 6: Final answer
    x = 577,643.38

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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.