Home / 674,590.97-931,100.85-384,373.64

Finding the Fourth Proportional to 674,590.97, 931,100.85 and 384,373.64

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Solution

The fourth proportional to 674,590.97, 931,100.85 and 384,373.64 is: 530,529.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,590.97 : 931,100.85 = 384,373.64 : x
  2. Step 2: Convert to fraction form
    674,590.97/931,100.85 = 384,373.64/x
  3. Step 3: Cross multiply
    674,590.97x = 931,100.85 × 384,373.64
  4. Step 4: Simplify right side
    674,590.97x = 357,890,618,266.09
  5. Step 5: Solve for x
    x = 357,890,618,266.09/674,590.97
  6. Step 6: Final answer
    x = 530,529.81

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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.