Home / 346,614.48-478,072.08-219,166.56

Finding the Fourth Proportional to 346,614.48, 478,072.08 and 219,166.56

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Solution

The fourth proportional to 346,614.48, 478,072.08 and 219,166.56 is: 302,288.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,614.48 : 478,072.08 = 219,166.56 : x
  2. Step 2: Convert to fraction form
    346,614.48/478,072.08 = 219,166.56/x
  3. Step 3: Cross multiply
    346,614.48x = 478,072.08 × 219,166.56
  4. Step 4: Simplify right side
    346,614.48x = 104,777,413,205.65
  5. Step 5: Solve for x
    x = 104,777,413,205.65/346,614.48
  6. Step 6: Final answer
    x = 302,288.04

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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.