Home / 839,180.70-1,158,082.65-457,207.38

Finding the Fourth Proportional to 839,180.70, 1,158,082.65 and 457,207.38

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Solution

The fourth proportional to 839,180.70, 1,158,082.65 and 457,207.38 is: 630,953.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,180.70 : 1,158,082.65 = 457,207.38 : x
  2. Step 2: Convert to fraction form
    839,180.70/1,158,082.65 = 457,207.38/x
  3. Step 3: Cross multiply
    839,180.70x = 1,158,082.65 × 457,207.38
  4. Step 4: Simplify right side
    839,180.70x = 529,483,934,229.96
  5. Step 5: Solve for x
    x = 529,483,934,229.96/839,180.70
  6. Step 6: Final answer
    x = 630,953.42

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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.