Home / 674,471.84-931,205.04-432,858.56

Finding the Fourth Proportional to 674,471.84, 931,205.04 and 432,858.56

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Solution

The fourth proportional to 674,471.84, 931,205.04 and 432,858.56 is: 597,623.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,471.84 : 931,205.04 = 432,858.56 : x
  2. Step 2: Convert to fraction form
    674,471.84/931,205.04 = 432,858.56/x
  3. Step 3: Cross multiply
    674,471.84x = 931,205.04 × 432,858.56
  4. Step 4: Simplify right side
    674,471.84x = 403,080,072,679.14
  5. Step 5: Solve for x
    x = 403,080,072,679.14/674,471.84
  6. Step 6: Final answer
    x = 597,623.28

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Double scale
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Similar ratio
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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.