Home / 483,123.47-666,771.90-292,138.23

Finding the Fourth Proportional to 483,123.47, 666,771.90 and 292,138.23

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Solution

The fourth proportional to 483,123.47, 666,771.90 and 292,138.23 is: 403,187.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,123.47 : 666,771.90 = 292,138.23 : x
  2. Step 2: Convert to fraction form
    483,123.47/666,771.90 = 292,138.23/x
  3. Step 3: Cross multiply
    483,123.47x = 666,771.90 × 292,138.23
  4. Step 4: Simplify right side
    483,123.47x = 194,789,562,679.74
  5. Step 5: Solve for x
    x = 194,789,562,679.74/483,123.47
  6. Step 6: Final answer
    x = 403,187.95

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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.