Home / 525,921.02-788,382.12-170,686.61

Finding the Fourth Proportional to 525,921.02, 788,382.12 and 170,686.61

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Solution

The fourth proportional to 525,921.02, 788,382.12 and 170,686.61 is: 255,867.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,921.02 : 788,382.12 = 170,686.61 : x
  2. Step 2: Convert to fraction form
    525,921.02/788,382.12 = 170,686.61/x
  3. Step 3: Cross multiply
    525,921.02x = 788,382.12 × 170,686.61
  4. Step 4: Simplify right side
    525,921.02x = 134,566,267,505.50
  5. Step 5: Solve for x
    x = 134,566,267,505.50/525,921.02
  6. Step 6: Final answer
    x = 255,867.83

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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.