Home / 674,540.55-930,919.02-384,164.37

Finding the Fourth Proportional to 674,540.55, 930,919.02 and 384,164.37

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Solution

The fourth proportional to 674,540.55, 930,919.02 and 384,164.37 is: 530,177.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,540.55 : 930,919.02 = 384,164.37 : x
  2. Step 2: Convert to fraction form
    674,540.55/930,919.02 = 384,164.37/x
  3. Step 3: Cross multiply
    674,540.55x = 930,919.02 × 384,164.37
  4. Step 4: Simplify right side
    674,540.55x = 357,625,918,839.32
  5. Step 5: Solve for x
    x = 357,625,918,839.32/674,540.55
  6. Step 6: Final answer
    x = 530,177.05

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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.