Home / 509,329.40-766,953.51-377,146.04

Finding the Fourth Proportional to 509,329.40, 766,953.51 and 377,146.04

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Solution

The fourth proportional to 509,329.40, 766,953.51 and 377,146.04 is: 567,910.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,329.40 : 766,953.51 = 377,146.04 : x
  2. Step 2: Convert to fraction form
    509,329.40/766,953.51 = 377,146.04/x
  3. Step 3: Cross multiply
    509,329.40x = 766,953.51 × 377,146.04
  4. Step 4: Simplify right side
    509,329.40x = 289,253,479,160.60
  5. Step 5: Solve for x
    x = 289,253,479,160.60/509,329.40
  6. Step 6: Final answer
    x = 567,910.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.