Home / 728,741.53-1,004,900.16-627,111.64

Finding the Fourth Proportional to 728,741.53, 1,004,900.16 and 627,111.64

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Solution

The fourth proportional to 728,741.53, 1,004,900.16 and 627,111.64 is: 864,757.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,741.53 : 1,004,900.16 = 627,111.64 : x
  2. Step 2: Convert to fraction form
    728,741.53/1,004,900.16 = 627,111.64/x
  3. Step 3: Cross multiply
    728,741.53x = 1,004,900.16 × 627,111.64
  4. Step 4: Simplify right side
    728,741.53x = 630,184,587,373.86
  5. Step 5: Solve for x
    x = 630,184,587,373.86/728,741.53
  6. Step 6: Final answer
    x = 864,757.34

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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.