Home / 538,369.94-742,946.68-296,646.77

Finding the Fourth Proportional to 538,369.94, 742,946.68 and 296,646.77

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Solution

The fourth proportional to 538,369.94, 742,946.68 and 296,646.77 is: 409,370.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,369.94 : 742,946.68 = 296,646.77 : x
  2. Step 2: Convert to fraction form
    538,369.94/742,946.68 = 296,646.77/x
  3. Step 3: Cross multiply
    538,369.94x = 742,946.68 × 296,646.77
  4. Step 4: Simplify right side
    538,369.94x = 220,392,735,132.40
  5. Step 5: Solve for x
    x = 220,392,735,132.40/538,369.94
  6. Step 6: Final answer
    x = 409,370.43

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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.