Home / 527,977.89-791,617.01-190,974.20

Finding the Fourth Proportional to 527,977.89, 791,617.01 and 190,974.20

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Solution

The fourth proportional to 527,977.89, 791,617.01 and 190,974.20 is: 286,334.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,977.89 : 791,617.01 = 190,974.20 : x
  2. Step 2: Convert to fraction form
    527,977.89/791,617.01 = 190,974.20/x
  3. Step 3: Cross multiply
    527,977.89x = 791,617.01 × 190,974.20
  4. Step 4: Simplify right side
    527,977.89x = 151,178,420,278.19
  5. Step 5: Solve for x
    x = 151,178,420,278.19/527,977.89
  6. Step 6: Final answer
    x = 286,334.76

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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.