Home / 817,082.54-1,225,820.71-256,117.04

Finding the Fourth Proportional to 817,082.54, 1,225,820.71 and 256,117.04

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Solution

The fourth proportional to 817,082.54, 1,225,820.71 and 256,117.04 is: 384,237.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,082.54 : 1,225,820.71 = 256,117.04 : x
  2. Step 2: Convert to fraction form
    817,082.54/1,225,820.71 = 256,117.04/x
  3. Step 3: Cross multiply
    817,082.54x = 1,225,820.71 × 256,117.04
  4. Step 4: Simplify right side
    817,082.54x = 313,953,569,163.11
  5. Step 5: Solve for x
    x = 313,953,569,163.11/817,082.54
  6. Step 6: Final answer
    x = 384,237.28

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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.