Home / 510,565.98-765,848.96-136,579.26

Finding the Fourth Proportional to 510,565.98, 765,848.96 and 136,579.26

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Solution

The fourth proportional to 510,565.98, 765,848.96 and 136,579.26 is: 204,868.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,565.98 : 765,848.96 = 136,579.26 : x
  2. Step 2: Convert to fraction form
    510,565.98/765,848.96 = 136,579.26/x
  3. Step 3: Cross multiply
    510,565.98x = 765,848.96 × 136,579.26
  4. Step 4: Simplify right side
    510,565.98x = 104,599,084,228.57
  5. Step 5: Solve for x
    x = 104,599,084,228.57/510,565.98
  6. Step 6: Final answer
    x = 204,868.89

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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.