Home / 683,998.20-943,787.58-429,234.57

Finding the Fourth Proportional to 683,998.20, 943,787.58 and 429,234.57

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Solution

The fourth proportional to 683,998.20, 943,787.58 and 429,234.57 is: 592,262.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,998.20 : 943,787.58 = 429,234.57 : x
  2. Step 2: Convert to fraction form
    683,998.20/943,787.58 = 429,234.57/x
  3. Step 3: Cross multiply
    683,998.20x = 943,787.58 × 429,234.57
  4. Step 4: Simplify right side
    683,998.20x = 405,106,256,072.64
  5. Step 5: Solve for x
    x = 405,106,256,072.64/683,998.20
  6. Step 6: Final answer
    x = 592,262.17

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1.5x scale

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.