Home / 352,612.10-528,043.35-282,628.10

Finding the Fourth Proportional to 352,612.10, 528,043.35 and 282,628.10

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Solution

The fourth proportional to 352,612.10, 528,043.35 and 282,628.10 is: 423,240.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,612.10 : 528,043.35 = 282,628.10 : x
  2. Step 2: Convert to fraction form
    352,612.10/528,043.35 = 282,628.10/x
  3. Step 3: Cross multiply
    352,612.10x = 528,043.35 × 282,628.10
  4. Step 4: Simplify right side
    352,612.10x = 149,239,888,728.14
  5. Step 5: Solve for x
    x = 149,239,888,728.14/352,612.10
  6. Step 6: Final answer
    x = 423,240.97

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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.