Home / 340,999.12-511,498.61-116,359.55

Finding the Fourth Proportional to 340,999.12, 511,498.61 and 116,359.55

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Solution

The fourth proportional to 340,999.12, 511,498.61 and 116,359.55 is: 174,539.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,999.12 : 511,498.61 = 116,359.55 : x
  2. Step 2: Convert to fraction form
    340,999.12/511,498.61 = 116,359.55/x
  3. Step 3: Cross multiply
    340,999.12x = 511,498.61 × 116,359.55
  4. Step 4: Simplify right side
    340,999.12x = 59,517,748,085.23
  5. Step 5: Solve for x
    x = 59,517,748,085.23/340,999.12
  6. Step 6: Final answer
    x = 174,539.30

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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.