Home / 660,452.04-911,427.30-374,027.88

Finding the Fourth Proportional to 660,452.04, 911,427.30 and 374,027.88

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Solution

The fourth proportional to 660,452.04, 911,427.30 and 374,027.88 is: 516,160.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,452.04 : 911,427.30 = 374,027.88 : x
  2. Step 2: Convert to fraction form
    660,452.04/911,427.30 = 374,027.88/x
  3. Step 3: Cross multiply
    660,452.04x = 911,427.30 × 374,027.88
  4. Step 4: Simplify right side
    660,452.04x = 340,899,220,793.12
  5. Step 5: Solve for x
    x = 340,899,220,793.12/660,452.04
  6. Step 6: Final answer
    x = 516,160.45

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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.