Home / 474,789.47-655,209.63-259,943.18

Finding the Fourth Proportional to 474,789.47, 655,209.63 and 259,943.18

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Solution

The fourth proportional to 474,789.47, 655,209.63 and 259,943.18 is: 358,721.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,789.47 : 655,209.63 = 259,943.18 : x
  2. Step 2: Convert to fraction form
    474,789.47/655,209.63 = 259,943.18/x
  3. Step 3: Cross multiply
    474,789.47x = 655,209.63 × 259,943.18
  4. Step 4: Simplify right side
    474,789.47x = 170,317,271,512.78
  5. Step 5: Solve for x
    x = 170,317,271,512.78/474,789.47
  6. Step 6: Final answer
    x = 358,721.67

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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.