Home / 571,935.08-789,271.34-317,286.27

Finding the Fourth Proportional to 571,935.08, 789,271.34 and 317,286.27

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Solution

The fourth proportional to 571,935.08, 789,271.34 and 317,286.27 is: 437,855.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,935.08 : 789,271.34 = 317,286.27 : x
  2. Step 2: Convert to fraction form
    571,935.08/789,271.34 = 317,286.27/x
  3. Step 3: Cross multiply
    571,935.08x = 789,271.34 × 317,286.27
  4. Step 4: Simplify right side
    571,935.08x = 250,424,959,486.50
  5. Step 5: Solve for x
    x = 250,424,959,486.50/571,935.08
  6. Step 6: Final answer
    x = 437,855.57

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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.