Home / 536,220.45-739,988.60-294,505.92

Finding the Fourth Proportional to 536,220.45, 739,988.60 and 294,505.92

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Solution

The fourth proportional to 536,220.45, 739,988.60 and 294,505.92 is: 406,420.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,220.45 : 739,988.60 = 294,505.92 : x
  2. Step 2: Convert to fraction form
    536,220.45/739,988.60 = 294,505.92/x
  3. Step 3: Cross multiply
    536,220.45x = 739,988.60 × 294,505.92
  4. Step 4: Simplify right side
    536,220.45x = 217,931,021,959.98
  5. Step 5: Solve for x
    x = 217,931,021,959.98/536,220.45
  6. Step 6: Final answer
    x = 406,420.57

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1.5x scale

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.