Home / 607,392.17-911,091.50-398,353.85

Finding the Fourth Proportional to 607,392.17, 911,091.50 and 398,353.85

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Solution

The fourth proportional to 607,392.17, 911,091.50 and 398,353.85 is: 597,532.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,392.17 : 911,091.50 = 398,353.85 : x
  2. Step 2: Convert to fraction form
    607,392.17/911,091.50 = 398,353.85/x
  3. Step 3: Cross multiply
    607,392.17x = 911,091.50 × 398,353.85
  4. Step 4: Simplify right side
    607,392.17x = 362,936,804,735.51
  5. Step 5: Solve for x
    x = 362,936,804,735.51/607,392.17
  6. Step 6: Final answer
    x = 597,532.90

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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.