Home / 533,869.98-736,667.70-318,964.38

Finding the Fourth Proportional to 533,869.98, 736,667.70 and 318,964.38

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Solution

The fourth proportional to 533,869.98, 736,667.70 and 318,964.38 is: 440,127.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,869.98 : 736,667.70 = 318,964.38 : x
  2. Step 2: Convert to fraction form
    533,869.98/736,667.70 = 318,964.38/x
  3. Step 3: Cross multiply
    533,869.98x = 736,667.70 × 318,964.38
  4. Step 4: Simplify right side
    533,869.98x = 234,970,756,196.53
  5. Step 5: Solve for x
    x = 234,970,756,196.53/533,869.98
  6. Step 6: Final answer
    x = 440,127.31

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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.