Home / 644,384.04-966,205.68-265,566.30

Finding the Fourth Proportional to 644,384.04, 966,205.68 and 265,566.30

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Solution

The fourth proportional to 644,384.04, 966,205.68 and 265,566.30 is: 398,196.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,384.04 : 966,205.68 = 265,566.30 : x
  2. Step 2: Convert to fraction form
    644,384.04/966,205.68 = 265,566.30/x
  3. Step 3: Cross multiply
    644,384.04x = 966,205.68 × 265,566.30
  4. Step 4: Simplify right side
    644,384.04x = 256,591,667,476.58
  5. Step 5: Solve for x
    x = 256,591,667,476.58/644,384.04
  6. Step 6: Final answer
    x = 398,196.81

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1.5x scale

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.