Home / 657,440.42-986,766.84-333,455.94

Finding the Fourth Proportional to 657,440.42, 986,766.84 and 333,455.94

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Solution

The fourth proportional to 657,440.42, 986,766.84 and 333,455.94 is: 500,491.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,440.42 : 986,766.84 = 333,455.94 : x
  2. Step 2: Convert to fraction form
    657,440.42/986,766.84 = 333,455.94/x
  3. Step 3: Cross multiply
    657,440.42x = 986,766.84 × 333,455.94
  4. Step 4: Simplify right side
    657,440.42x = 329,043,264,193.03
  5. Step 5: Solve for x
    x = 329,043,264,193.03/657,440.42
  6. Step 6: Final answer
    x = 500,491.39

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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.