Home / 644,544.28-966,484.32-289,253.71

Finding the Fourth Proportional to 644,544.28, 966,484.32 and 289,253.71

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Solution

The fourth proportional to 644,544.28, 966,484.32 and 289,253.71 is: 433,731.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,544.28 : 966,484.32 = 289,253.71 : x
  2. Step 2: Convert to fraction form
    644,544.28/966,484.32 = 289,253.71/x
  3. Step 3: Cross multiply
    644,544.28x = 966,484.32 × 289,253.71
  4. Step 4: Simplify right side
    644,544.28x = 279,559,175,216.83
  5. Step 5: Solve for x
    x = 279,559,175,216.83/644,544.28
  6. Step 6: Final answer
    x = 433,731.53

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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.