Home / 470,463.56-705,588.96-217,605.32

Finding the Fourth Proportional to 470,463.56, 705,588.96 and 217,605.32

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Solution

The fourth proportional to 470,463.56, 705,588.96 and 217,605.32 is: 326,358.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,463.56 : 705,588.96 = 217,605.32 : x
  2. Step 2: Convert to fraction form
    470,463.56/705,588.96 = 217,605.32/x
  3. Step 3: Cross multiply
    470,463.56x = 705,588.96 × 217,605.32
  4. Step 4: Simplify right side
    470,463.56x = 153,539,911,429.27
  5. Step 5: Solve for x
    x = 153,539,911,429.27/470,463.56
  6. Step 6: Final answer
    x = 326,358.78

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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.