Home / 525,769.39-788,654.09-126,410.17

Finding the Fourth Proportional to 525,769.39, 788,654.09 and 126,410.17

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Solution

The fourth proportional to 525,769.39, 788,654.09 and 126,410.17 is: 189,615.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,769.39 : 788,654.09 = 126,410.17 : x
  2. Step 2: Convert to fraction form
    525,769.39/788,654.09 = 126,410.17/x
  3. Step 3: Cross multiply
    525,769.39x = 788,654.09 × 126,410.17
  4. Step 4: Simplify right side
    525,769.39x = 99,693,897,588.10
  5. Step 5: Solve for x
    x = 99,693,897,588.10/525,769.39
  6. Step 6: Final answer
    x = 189,615.26

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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.