Home / 851,660.36-1,277,490.72-346,496.24

Finding the Fourth Proportional to 851,660.36, 1,277,490.72 and 346,496.24

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Solution

The fourth proportional to 851,660.36, 1,277,490.72 and 346,496.24 is: 519,744.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,660.36 : 1,277,490.72 = 346,496.24 : x
  2. Step 2: Convert to fraction form
    851,660.36/1,277,490.72 = 346,496.24/x
  3. Step 3: Cross multiply
    851,660.36x = 1,277,490.72 × 346,496.24
  4. Step 4: Simplify right side
    851,660.36x = 442,645,731,114.89
  5. Step 5: Solve for x
    x = 442,645,731,114.89/851,660.36
  6. Step 6: Final answer
    x = 519,744.43

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Double scale
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Similar ratio
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1.5x scale

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.