Home / 443,417.16-611,919.72-252,442.92

Finding the Fourth Proportional to 443,417.16, 611,919.72 and 252,442.92

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Solution

The fourth proportional to 443,417.16, 611,919.72 and 252,442.92 is: 348,373.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,417.16 : 611,919.72 = 252,442.92 : x
  2. Step 2: Convert to fraction form
    443,417.16/611,919.72 = 252,442.92/x
  3. Step 3: Cross multiply
    443,417.16x = 611,919.72 × 252,442.92
  4. Step 4: Simplify right side
    443,417.16x = 154,474,800,922.38
  5. Step 5: Solve for x
    x = 154,474,800,922.38/443,417.16
  6. Step 6: Final answer
    x = 348,373.53

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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.