Home / 571,776.57-789,146.15-317,209.77

Finding the Fourth Proportional to 571,776.57, 789,146.15 and 317,209.77

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Solution

The fourth proportional to 571,776.57, 789,146.15 and 317,209.77 is: 437,801.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,776.57 : 789,146.15 = 317,209.77 : x
  2. Step 2: Convert to fraction form
    571,776.57/789,146.15 = 317,209.77/x
  3. Step 3: Cross multiply
    571,776.57x = 789,146.15 × 317,209.77
  4. Step 4: Simplify right side
    571,776.57x = 250,324,867,151.84
  5. Step 5: Solve for x
    x = 250,324,867,151.84/571,776.57
  6. Step 6: Final answer
    x = 437,801.90

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Double scale
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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.