Home / 607,622.76-911,563.38-208,156.32

Finding the Fourth Proportional to 607,622.76, 911,563.38 and 208,156.32

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Solution

The fourth proportional to 607,622.76, 911,563.38 and 208,156.32 is: 312,278.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,622.76 : 911,563.38 = 208,156.32 : x
  2. Step 2: Convert to fraction form
    607,622.76/911,563.38 = 208,156.32/x
  3. Step 3: Cross multiply
    607,622.76x = 911,563.38 × 208,156.32
  4. Step 4: Simplify right side
    607,622.76x = 189,747,678,627.56
  5. Step 5: Solve for x
    x = 189,747,678,627.56/607,622.76
  6. Step 6: Final answer
    x = 312,278.75

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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.