Home / 430,094.20-644,363.70-367,886.20

Finding the Fourth Proportional to 430,094.20, 644,363.70 and 367,886.20

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Solution

The fourth proportional to 430,094.20, 644,363.70 and 367,886.20 is: 551,164.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,094.20 : 644,363.70 = 367,886.20 : x
  2. Step 2: Convert to fraction form
    430,094.20/644,363.70 = 367,886.20/x
  3. Step 3: Cross multiply
    430,094.20x = 644,363.70 × 367,886.20
  4. Step 4: Simplify right side
    430,094.20x = 237,052,513,010.94
  5. Step 5: Solve for x
    x = 237,052,513,010.94/430,094.20
  6. Step 6: Final answer
    x = 551,164.17

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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.