Home / 527,154.36-727,473.46-285,437.06

Finding the Fourth Proportional to 527,154.36, 727,473.46 and 285,437.06

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Solution

The fourth proportional to 527,154.36, 727,473.46 and 285,437.06 is: 393,903.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,154.36 : 727,473.46 = 285,437.06 : x
  2. Step 2: Convert to fraction form
    527,154.36/727,473.46 = 285,437.06/x
  3. Step 3: Cross multiply
    527,154.36x = 727,473.46 × 285,437.06
  4. Step 4: Simplify right side
    527,154.36x = 207,647,885,650.43
  5. Step 5: Solve for x
    x = 207,647,885,650.43/527,154.36
  6. Step 6: Final answer
    x = 393,903.38

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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.