Home / 857,769.90-1,183,699.62-495,181.50

Finding the Fourth Proportional to 857,769.90, 1,183,699.62 and 495,181.50

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Solution

The fourth proportional to 857,769.90, 1,183,699.62 and 495,181.50 is: 683,337.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,769.90 : 1,183,699.62 = 495,181.50 : x
  2. Step 2: Convert to fraction form
    857,769.90/1,183,699.62 = 495,181.50/x
  3. Step 3: Cross multiply
    857,769.90x = 1,183,699.62 × 495,181.50
  4. Step 4: Simplify right side
    857,769.90x = 586,146,153,381.03
  5. Step 5: Solve for x
    x = 586,146,153,381.03/857,769.90
  6. Step 6: Final answer
    x = 683,337.28

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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.