Home / 470,228.42-647,440.26-414,981.20

Finding the Fourth Proportional to 470,228.42, 647,440.26 and 414,981.20

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Solution

The fourth proportional to 470,228.42, 647,440.26 and 414,981.20 is: 571,372.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,228.42 : 647,440.26 = 414,981.20 : x
  2. Step 2: Convert to fraction form
    470,228.42/647,440.26 = 414,981.20/x
  3. Step 3: Cross multiply
    470,228.42x = 647,440.26 × 414,981.20
  4. Step 4: Simplify right side
    470,228.42x = 268,675,536,023.11
  5. Step 5: Solve for x
    x = 268,675,536,023.11/470,228.42
  6. Step 6: Final answer
    x = 571,372.39

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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.