Home / 531,820.83-733,923.02-290,112.29

Finding the Fourth Proportional to 531,820.83, 733,923.02 and 290,112.29

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Solution

The fourth proportional to 531,820.83, 733,923.02 and 290,112.29 is: 400,360.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,820.83 : 733,923.02 = 290,112.29 : x
  2. Step 2: Convert to fraction form
    531,820.83/733,923.02 = 290,112.29/x
  3. Step 3: Cross multiply
    531,820.83x = 733,923.02 × 290,112.29
  4. Step 4: Simplify right side
    531,820.83x = 212,920,082,895.74
  5. Step 5: Solve for x
    x = 212,920,082,895.74/531,820.83
  6. Step 6: Final answer
    x = 400,360.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.