Home / 527,535.06-727,981.47-301,180.56

Finding the Fourth Proportional to 527,535.06, 727,981.47 and 301,180.56

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Solution

The fourth proportional to 527,535.06, 727,981.47 and 301,180.56 is: 415,619.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,535.06 : 727,981.47 = 301,180.56 : x
  2. Step 2: Convert to fraction form
    527,535.06/727,981.47 = 301,180.56/x
  3. Step 3: Cross multiply
    527,535.06x = 727,981.47 × 301,180.56
  4. Step 4: Simplify right side
    527,535.06x = 219,253,866,804.22
  5. Step 5: Solve for x
    x = 219,253,866,804.22/527,535.06
  6. Step 6: Final answer
    x = 415,619.52

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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.