Home / 638,465.04-957,697.56-217,744.56

Finding the Fourth Proportional to 638,465.04, 957,697.56 and 217,744.56

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Solution

The fourth proportional to 638,465.04, 957,697.56 and 217,744.56 is: 326,616.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,465.04 : 957,697.56 = 217,744.56 : x
  2. Step 2: Convert to fraction form
    638,465.04/957,697.56 = 217,744.56/x
  3. Step 3: Cross multiply
    638,465.04x = 957,697.56 × 217,744.56
  4. Step 4: Simplify right side
    638,465.04x = 208,533,433,815.27
  5. Step 5: Solve for x
    x = 208,533,433,815.27/638,465.04
  6. Step 6: Final answer
    x = 326,616.84

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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.