Home / 525,207.60-787,811.40-170,233.20

Finding the Fourth Proportional to 525,207.60, 787,811.40 and 170,233.20

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Solution

The fourth proportional to 525,207.60, 787,811.40 and 170,233.20 is: 255,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,207.60 : 787,811.40 = 170,233.20 : x
  2. Step 2: Convert to fraction form
    525,207.60/787,811.40 = 170,233.20/x
  3. Step 3: Cross multiply
    525,207.60x = 787,811.40 × 170,233.20
  4. Step 4: Simplify right side
    525,207.60x = 134,111,655,618.48
  5. Step 5: Solve for x
    x = 134,111,655,618.48/525,207.60
  6. Step 6: Final answer
    x = 255,349.80

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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.