Home / 334,518.30-462,018.38-220,307.48

Finding the Fourth Proportional to 334,518.30, 462,018.38 and 220,307.48

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Solution

The fourth proportional to 334,518.30, 462,018.38 and 220,307.48 is: 304,276.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,518.30 : 462,018.38 = 220,307.48 : x
  2. Step 2: Convert to fraction form
    334,518.30/462,018.38 = 220,307.48/x
  3. Step 3: Cross multiply
    334,518.30x = 462,018.38 × 220,307.48
  4. Step 4: Simplify right side
    334,518.30x = 101,786,105,011.48
  5. Step 5: Solve for x
    x = 101,786,105,011.48/334,518.30
  6. Step 6: Final answer
    x = 304,276.64

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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.