Home / 1,140,144.46-1,573,385.79-623,892.78

Finding the Fourth Proportional to 1,140,144.46, 1,573,385.79 and 623,892.78

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Solution

The fourth proportional to 1,140,144.46, 1,573,385.79 and 623,892.78 is: 860,964.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,144.46 : 1,573,385.79 = 623,892.78 : x
  2. Step 2: Convert to fraction form
    1,140,144.46/1,573,385.79 = 623,892.78/x
  3. Step 3: Cross multiply
    1,140,144.46x = 1,573,385.79 × 623,892.78
  4. Step 4: Simplify right side
    1,140,144.46x = 981,624,036,875.19
  5. Step 5: Solve for x
    x = 981,624,036,875.19/1,140,144.46
  6. Step 6: Final answer
    x = 860,964.62

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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.