Home / 568,056.40-852,084.60-287,537.20

Finding the Fourth Proportional to 568,056.40, 852,084.60 and 287,537.20

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Solution

The fourth proportional to 568,056.40, 852,084.60 and 287,537.20 is: 431,305.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,056.40 : 852,084.60 = 287,537.20 : x
  2. Step 2: Convert to fraction form
    568,056.40/852,084.60 = 287,537.20/x
  3. Step 3: Cross multiply
    568,056.40x = 852,084.60 × 287,537.20
  4. Step 4: Simplify right side
    568,056.40x = 245,006,020,047.12
  5. Step 5: Solve for x
    x = 245,006,020,047.12/568,056.40
  6. Step 6: Final answer
    x = 431,305.80

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.