Home / 929,731.14-1,283,038.48-521,824.81

Finding the Fourth Proportional to 929,731.14, 1,283,038.48 and 521,824.81

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Solution

The fourth proportional to 929,731.14, 1,283,038.48 and 521,824.81 is: 720,123.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,731.14 : 1,283,038.48 = 521,824.81 : x
  2. Step 2: Convert to fraction form
    929,731.14/1,283,038.48 = 521,824.81/x
  3. Step 3: Cross multiply
    929,731.14x = 1,283,038.48 × 521,824.81
  4. Step 4: Simplify right side
    929,731.14x = 669,521,307,290.53
  5. Step 5: Solve for x
    x = 669,521,307,290.53/929,731.14
  6. Step 6: Final answer
    x = 720,123.57

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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.