Home / 507,979.08-701,042.56-281,624.58

Finding the Fourth Proportional to 507,979.08, 701,042.56 and 281,624.58

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Solution

The fourth proportional to 507,979.08, 701,042.56 and 281,624.58 is: 388,659.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,979.08 : 701,042.56 = 281,624.58 : x
  2. Step 2: Convert to fraction form
    507,979.08/701,042.56 = 281,624.58/x
  3. Step 3: Cross multiply
    507,979.08x = 701,042.56 × 281,624.58
  4. Step 4: Simplify right side
    507,979.08x = 197,430,815,818.06
  5. Step 5: Solve for x
    x = 197,430,815,818.06/507,979.08
  6. Step 6: Final answer
    x = 388,659.34

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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.