Home / 370,522.12-511,320.66-200,756.25

Finding the Fourth Proportional to 370,522.12, 511,320.66 and 200,756.25

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Solution

The fourth proportional to 370,522.12, 511,320.66 and 200,756.25 is: 277,043.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,522.12 : 511,320.66 = 200,756.25 : x
  2. Step 2: Convert to fraction form
    370,522.12/511,320.66 = 200,756.25/x
  3. Step 3: Cross multiply
    370,522.12x = 511,320.66 × 200,756.25
  4. Step 4: Simplify right side
    370,522.12x = 102,650,818,249.13
  5. Step 5: Solve for x
    x = 102,650,818,249.13/370,522.12
  6. Step 6: Final answer
    x = 277,043.70

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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.