Home / 607,516.20-911,187.90-208,175.40

Finding the Fourth Proportional to 607,516.20, 911,187.90 and 208,175.40

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Solution

The fourth proportional to 607,516.20, 911,187.90 and 208,175.40 is: 312,233.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,516.20 : 911,187.90 = 208,175.40 : x
  2. Step 2: Convert to fraction form
    607,516.20/911,187.90 = 208,175.40/x
  3. Step 3: Cross multiply
    607,516.20x = 911,187.90 × 208,175.40
  4. Step 4: Simplify right side
    607,516.20x = 189,686,905,557.66
  5. Step 5: Solve for x
    x = 189,686,905,557.66/607,516.20
  6. Step 6: Final answer
    x = 312,233.49

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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.