Home / 525,827.60-788,741.40-170,853.20

Finding the Fourth Proportional to 525,827.60, 788,741.40 and 170,853.20

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Solution

The fourth proportional to 525,827.60, 788,741.40 and 170,853.20 is: 256,279.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,827.60 : 788,741.40 = 170,853.20 : x
  2. Step 2: Convert to fraction form
    525,827.60/788,741.40 = 170,853.20/x
  3. Step 3: Cross multiply
    525,827.60x = 788,741.40 × 170,853.20
  4. Step 4: Simplify right side
    525,827.60x = 134,758,992,162.48
  5. Step 5: Solve for x
    x = 134,758,992,162.48/525,827.60
  6. Step 6: Final answer
    x = 256,279.80

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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.