Home / 434,415.20-651,622.80-404,890.70

Finding the Fourth Proportional to 434,415.20, 651,622.80 and 404,890.70

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Solution

The fourth proportional to 434,415.20, 651,622.80 and 404,890.70 is: 607,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,415.20 : 651,622.80 = 404,890.70 : x
  2. Step 2: Convert to fraction form
    434,415.20/651,622.80 = 404,890.70/x
  3. Step 3: Cross multiply
    434,415.20x = 651,622.80 × 404,890.70
  4. Step 4: Simplify right side
    434,415.20x = 263,836,011,627.96
  5. Step 5: Solve for x
    x = 263,836,011,627.96/434,415.20
  6. Step 6: Final answer
    x = 607,336.05

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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.