Home / 1,027,599.40-1,541,399.10-317,699.20

Finding the Fourth Proportional to 1,027,599.40, 1,541,399.10 and 317,699.20

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Solution

The fourth proportional to 1,027,599.40, 1,541,399.10 and 317,699.20 is: 476,548.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,599.40 : 1,541,399.10 = 317,699.20 : x
  2. Step 2: Convert to fraction form
    1,027,599.40/1,541,399.10 = 317,699.20/x
  3. Step 3: Cross multiply
    1,027,599.40x = 1,541,399.10 × 317,699.20
  4. Step 4: Simplify right side
    1,027,599.40x = 489,701,260,950.72
  5. Step 5: Solve for x
    x = 489,701,260,950.72/1,027,599.40
  6. Step 6: Final answer
    x = 476,548.80

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.