Home / 470,731.21-705,698.89-204,291.43

Finding the Fourth Proportional to 470,731.21, 705,698.89 and 204,291.43

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Solution

The fourth proportional to 470,731.21, 705,698.89 and 204,291.43 is: 306,264.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,731.21 : 705,698.89 = 204,291.43 : x
  2. Step 2: Convert to fraction form
    470,731.21/705,698.89 = 204,291.43/x
  3. Step 3: Cross multiply
    470,731.21x = 705,698.89 × 204,291.43
  4. Step 4: Simplify right side
    470,731.21x = 144,168,235,387.51
  5. Step 5: Solve for x
    x = 144,168,235,387.51/470,731.21
  6. Step 6: Final answer
    x = 306,264.45

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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.