Home / 370,774.24-511,396.68-243,403.36

Finding the Fourth Proportional to 370,774.24, 511,396.68 and 243,403.36

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Solution

The fourth proportional to 370,774.24, 511,396.68 and 243,403.36 is: 335,718.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,774.24 : 511,396.68 = 243,403.36 : x
  2. Step 2: Convert to fraction form
    370,774.24/511,396.68 = 243,403.36/x
  3. Step 3: Cross multiply
    370,774.24x = 511,396.68 × 243,403.36
  4. Step 4: Simplify right side
    370,774.24x = 124,475,670,204.85
  5. Step 5: Solve for x
    x = 124,475,670,204.85/370,774.24
  6. Step 6: Final answer
    x = 335,718.23

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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.