Home / 857,456.80-1,183,205.10-494,997.40

Finding the Fourth Proportional to 857,456.80, 1,183,205.10 and 494,997.40

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Solution

The fourth proportional to 857,456.80, 1,183,205.10 and 494,997.40 is: 683,047.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,456.80 : 1,183,205.10 = 494,997.40 : x
  2. Step 2: Convert to fraction form
    857,456.80/1,183,205.10 = 494,997.40/x
  3. Step 3: Cross multiply
    857,456.80x = 1,183,205.10 × 494,997.40
  4. Step 4: Simplify right side
    857,456.80x = 585,683,448,166.74
  5. Step 5: Solve for x
    x = 585,683,448,166.74/857,456.80
  6. Step 6: Final answer
    x = 683,047.18

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Double scale
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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.