Home / 474,945.66-655,439.85-260,106.12

Finding the Fourth Proportional to 474,945.66, 655,439.85 and 260,106.12

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Solution

The fourth proportional to 474,945.66, 655,439.85 and 260,106.12 is: 358,954.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,945.66 : 655,439.85 = 260,106.12 : x
  2. Step 2: Convert to fraction form
    474,945.66/655,439.85 = 260,106.12/x
  3. Step 3: Cross multiply
    474,945.66x = 655,439.85 × 260,106.12
  4. Step 4: Simplify right side
    474,945.66x = 170,483,916,276.88
  5. Step 5: Solve for x
    x = 170,483,916,276.88/474,945.66
  6. Step 6: Final answer
    x = 358,954.57

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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.