Home / 434,128.40-651,192.60-364,144.40

Finding the Fourth Proportional to 434,128.40, 651,192.60 and 364,144.40

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Solution

The fourth proportional to 434,128.40, 651,192.60 and 364,144.40 is: 546,216.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,128.40 : 651,192.60 = 364,144.40 : x
  2. Step 2: Convert to fraction form
    434,128.40/651,192.60 = 364,144.40/x
  3. Step 3: Cross multiply
    434,128.40x = 651,192.60 × 364,144.40
  4. Step 4: Simplify right side
    434,128.40x = 237,128,138,611.44
  5. Step 5: Solve for x
    x = 237,128,138,611.44/434,128.40
  6. Step 6: Final answer
    x = 546,216.60

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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.