Home / 434,153.20-651,011.10-256,714.60

Finding the Fourth Proportional to 434,153.20, 651,011.10 and 256,714.60

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Solution

The fourth proportional to 434,153.20, 651,011.10 and 256,714.60 is: 384,942.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,153.20 : 651,011.10 = 256,714.60 : x
  2. Step 2: Convert to fraction form
    434,153.20/651,011.10 = 256,714.60/x
  3. Step 3: Cross multiply
    434,153.20x = 651,011.10 × 256,714.60
  4. Step 4: Simplify right side
    434,153.20x = 167,124,054,132.06
  5. Step 5: Solve for x
    x = 167,124,054,132.06/434,153.20
  6. Step 6: Final answer
    x = 384,942.58

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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.