Home / 855,586.16-1,285,705.56-456,508.88

Finding the Fourth Proportional to 855,586.16, 1,285,705.56 and 456,508.88

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Solution

The fourth proportional to 855,586.16, 1,285,705.56 and 456,508.88 is: 686,004.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,586.16 : 1,285,705.56 = 456,508.88 : x
  2. Step 2: Convert to fraction form
    855,586.16/1,285,705.56 = 456,508.88/x
  3. Step 3: Cross multiply
    855,586.16x = 1,285,705.56 × 456,508.88
  4. Step 4: Simplify right side
    855,586.16x = 586,936,005,205.37
  5. Step 5: Solve for x
    x = 586,936,005,205.37/855,586.16
  6. Step 6: Final answer
    x = 686,004.56

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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.