Home / 674,274.37-930,531.85-383,891.69

Finding the Fourth Proportional to 674,274.37, 930,531.85 and 383,891.69

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Solution

The fourth proportional to 674,274.37, 930,531.85 and 383,891.69 is: 529,789.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,274.37 : 930,531.85 = 383,891.69 : x
  2. Step 2: Convert to fraction form
    674,274.37/930,531.85 = 383,891.69/x
  3. Step 3: Cross multiply
    674,274.37x = 930,531.85 × 383,891.69
  4. Step 4: Simplify right side
    674,274.37x = 357,223,444,495.33
  5. Step 5: Solve for x
    x = 357,223,444,495.33/674,274.37
  6. Step 6: Final answer
    x = 529,789.45

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Double scale
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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.