Home / 527,017.56-727,283.41-285,300.06

Finding the Fourth Proportional to 527,017.56, 727,283.41 and 285,300.06

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Solution

The fourth proportional to 527,017.56, 727,283.41 and 285,300.06 is: 393,713.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,017.56 : 727,283.41 = 285,300.06 : x
  2. Step 2: Convert to fraction form
    527,017.56/727,283.41 = 285,300.06/x
  3. Step 3: Cross multiply
    527,017.56x = 727,283.41 × 285,300.06
  4. Step 4: Simplify right side
    527,017.56x = 207,493,997,069.44
  5. Step 5: Solve for x
    x = 207,493,997,069.44/527,017.56
  6. Step 6: Final answer
    x = 393,713.63

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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.