Home / 531,826.86-733,934.91-290,113.50

Finding the Fourth Proportional to 531,826.86, 733,934.91 and 290,113.50

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Solution

The fourth proportional to 531,826.86, 733,934.91 and 290,113.50 is: 400,364.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,826.86 : 733,934.91 = 290,113.50 : x
  2. Step 2: Convert to fraction form
    531,826.86/733,934.91 = 290,113.50/x
  3. Step 3: Cross multiply
    531,826.86x = 733,934.91 × 290,113.50
  4. Step 4: Simplify right side
    531,826.86x = 212,924,425,512.29
  5. Step 5: Solve for x
    x = 212,924,425,512.29/531,826.86
  6. Step 6: Final answer
    x = 400,364.18

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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.