Home / 1,057,648.80-1,586,136.78-347,513.16

Finding the Fourth Proportional to 1,057,648.80, 1,586,136.78 and 347,513.16

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Solution

The fourth proportional to 1,057,648.80, 1,586,136.78 and 347,513.16 is: 521,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,648.80 : 1,586,136.78 = 347,513.16 : x
  2. Step 2: Convert to fraction form
    1,057,648.80/1,586,136.78 = 347,513.16/x
  3. Step 3: Cross multiply
    1,057,648.80x = 1,586,136.78 × 347,513.16
  4. Step 4: Simplify right side
    1,057,648.80x = 551,203,404,610.03
  5. Step 5: Solve for x
    x = 551,203,404,610.03/1,057,648.80
  6. Step 6: Final answer
    x = 521,159.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.