Home / 527,410.49-791,137.53-153,433.49

Finding the Fourth Proportional to 527,410.49, 791,137.53 and 153,433.49

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Solution

The fourth proportional to 527,410.49, 791,137.53 and 153,433.49 is: 230,156.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,410.49 : 791,137.53 = 153,433.49 : x
  2. Step 2: Convert to fraction form
    527,410.49/791,137.53 = 153,433.49/x
  3. Step 3: Cross multiply
    527,410.49x = 791,137.53 × 153,433.49
  4. Step 4: Simplify right side
    527,410.49x = 121,386,988,342.19
  5. Step 5: Solve for x
    x = 121,386,988,342.19/527,410.49
  6. Step 6: Final answer
    x = 230,156.57

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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.