Home / 484,971.08-669,280.86-270,111.20

Finding the Fourth Proportional to 484,971.08, 669,280.86 and 270,111.20

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Solution

The fourth proportional to 484,971.08, 669,280.86 and 270,111.20 is: 372,765.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,971.08 : 669,280.86 = 270,111.20 : x
  2. Step 2: Convert to fraction form
    484,971.08/669,280.86 = 270,111.20/x
  3. Step 3: Cross multiply
    484,971.08x = 669,280.86 × 270,111.20
  4. Step 4: Simplify right side
    484,971.08x = 180,780,256,231.63
  5. Step 5: Solve for x
    x = 180,780,256,231.63/484,971.08
  6. Step 6: Final answer
    x = 372,765.02

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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.