Home / 607,819.40-838,787.10-335,897.60

Finding the Fourth Proportional to 607,819.40, 838,787.10 and 335,897.60

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Solution

The fourth proportional to 607,819.40, 838,787.10 and 335,897.60 is: 463,536.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,819.40 : 838,787.10 = 335,897.60 : x
  2. Step 2: Convert to fraction form
    607,819.40/838,787.10 = 335,897.60/x
  3. Step 3: Cross multiply
    607,819.40x = 838,787.10 × 335,897.60
  4. Step 4: Simplify right side
    607,819.40x = 281,746,573,800.96
  5. Step 5: Solve for x
    x = 281,746,573,800.96/607,819.40
  6. Step 6: Final answer
    x = 463,536.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.