Home / 472,828.76-709,621.08-245,189.06

Finding the Fourth Proportional to 472,828.76, 709,621.08 and 245,189.06

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Solution

The fourth proportional to 472,828.76, 709,621.08 and 245,189.06 is: 367,979.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,828.76 : 709,621.08 = 245,189.06 : x
  2. Step 2: Convert to fraction form
    472,828.76/709,621.08 = 245,189.06/x
  3. Step 3: Cross multiply
    472,828.76x = 709,621.08 × 245,189.06
  4. Step 4: Simplify right side
    472,828.76x = 173,991,325,561.39
  5. Step 5: Solve for x
    x = 173,991,325,561.39/472,828.76
  6. Step 6: Final answer
    x = 367,979.57

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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.