Home / 475,258.17-655,856.14-260,406.39

Finding the Fourth Proportional to 475,258.17, 655,856.14 and 260,406.39

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Solution

The fourth proportional to 475,258.17, 655,856.14 and 260,406.39 is: 359,360.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,258.17 : 655,856.14 = 260,406.39 : x
  2. Step 2: Convert to fraction form
    475,258.17/655,856.14 = 260,406.39/x
  3. Step 3: Cross multiply
    475,258.17x = 655,856.14 × 260,406.39
  4. Step 4: Simplify right side
    475,258.17x = 170,789,129,776.74
  5. Step 5: Solve for x
    x = 170,789,129,776.74/475,258.17
  6. Step 6: Final answer
    x = 359,360.74

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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.