Home / 370,461.12-511,236.21-200,695.23

Finding the Fourth Proportional to 370,461.12, 511,236.21 and 200,695.23

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Solution

The fourth proportional to 370,461.12, 511,236.21 and 200,695.23 is: 276,959.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,461.12 : 511,236.21 = 200,695.23 : x
  2. Step 2: Convert to fraction form
    370,461.12/511,236.21 = 200,695.23/x
  3. Step 3: Cross multiply
    370,461.12x = 511,236.21 × 200,695.23
  4. Step 4: Simplify right side
    370,461.12x = 102,602,668,750.28
  5. Step 5: Solve for x
    x = 102,602,668,750.28/370,461.12
  6. Step 6: Final answer
    x = 276,959.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.