Home / 525,986.10-788,979.15-171,011.70

Finding the Fourth Proportional to 525,986.10, 788,979.15 and 171,011.70

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Solution

The fourth proportional to 525,986.10, 788,979.15 and 171,011.70 is: 256,517.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,986.10 : 788,979.15 = 171,011.70 : x
  2. Step 2: Convert to fraction form
    525,986.10/788,979.15 = 171,011.70/x
  3. Step 3: Cross multiply
    525,986.10x = 788,979.15 × 171,011.70
  4. Step 4: Simplify right side
    525,986.10x = 134,924,665,706.06
  5. Step 5: Solve for x
    x = 134,924,665,706.06/525,986.10
  6. Step 6: Final answer
    x = 256,517.55

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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.