Home / 474,389.34-654,871.04-302,537.92

Finding the Fourth Proportional to 474,389.34, 654,871.04 and 302,537.92

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Solution

The fourth proportional to 474,389.34, 654,871.04 and 302,537.92 is: 417,638.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,389.34 : 654,871.04 = 302,537.92 : x
  2. Step 2: Convert to fraction form
    474,389.34/654,871.04 = 302,537.92/x
  3. Step 3: Cross multiply
    474,389.34x = 654,871.04 × 302,537.92
  4. Step 4: Simplify right side
    474,389.34x = 198,123,322,309.84
  5. Step 5: Solve for x
    x = 198,123,322,309.84/474,389.34
  6. Step 6: Final answer
    x = 417,638.65

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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.