Home / 527,156.06-727,606.59-300,932.78

Finding the Fourth Proportional to 527,156.06, 727,606.59 and 300,932.78

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Solution

The fourth proportional to 527,156.06, 727,606.59 and 300,932.78 is: 415,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,156.06 : 727,606.59 = 300,932.78 : x
  2. Step 2: Convert to fraction form
    527,156.06/727,606.59 = 300,932.78/x
  3. Step 3: Cross multiply
    527,156.06x = 727,606.59 × 300,932.78
  4. Step 4: Simplify right side
    527,156.06x = 218,960,673,875.02
  5. Step 5: Solve for x
    x = 218,960,673,875.02/527,156.06
  6. Step 6: Final answer
    x = 415,362.15

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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.