Home / 527,851.28-727,457.84-374,896.16

Finding the Fourth Proportional to 527,851.28, 727,457.84 and 374,896.16

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Solution

The fourth proportional to 527,851.28, 727,457.84 and 374,896.16 is: 516,662.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,851.28 : 727,457.84 = 374,896.16 : x
  2. Step 2: Convert to fraction form
    527,851.28/727,457.84 = 374,896.16/x
  3. Step 3: Cross multiply
    527,851.28x = 727,457.84 × 374,896.16
  4. Step 4: Simplify right side
    527,851.28x = 272,721,150,777.89
  5. Step 5: Solve for x
    x = 272,721,150,777.89/527,851.28
  6. Step 6: Final answer
    x = 516,662.86

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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.