Home / 527,305.16-727,733.22-300,984.68

Finding the Fourth Proportional to 527,305.16, 727,733.22 and 300,984.68

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Solution

The fourth proportional to 527,305.16, 727,733.22 and 300,984.68 is: 415,388.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,305.16 : 727,733.22 = 300,984.68 : x
  2. Step 2: Convert to fraction form
    527,305.16/727,733.22 = 300,984.68/x
  3. Step 3: Cross multiply
    527,305.16x = 727,733.22 × 300,984.68
  4. Step 4: Simplify right side
    527,305.16x = 219,036,550,347.07
  5. Step 5: Solve for x
    x = 219,036,550,347.07/527,305.16
  6. Step 6: Final answer
    x = 415,388.60

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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.