Home / 607,514.20-911,271.30-418,557.40

Finding the Fourth Proportional to 607,514.20, 911,271.30 and 418,557.40

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Solution

The fourth proportional to 607,514.20, 911,271.30 and 418,557.40 is: 627,836.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,514.20 : 911,271.30 = 418,557.40 : x
  2. Step 2: Convert to fraction form
    607,514.20/911,271.30 = 418,557.40/x
  3. Step 3: Cross multiply
    607,514.20x = 911,271.30 × 418,557.40
  4. Step 4: Simplify right side
    607,514.20x = 381,419,346,022.62
  5. Step 5: Solve for x
    x = 381,419,346,022.62/607,514.20
  6. Step 6: Final answer
    x = 627,836.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.