Home / 527,527.66-727,987.18-285,816.36

Finding the Fourth Proportional to 527,527.66, 727,987.18 and 285,816.36

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Solution

The fourth proportional to 527,527.66, 727,987.18 and 285,816.36 is: 394,426.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,527.66 : 727,987.18 = 285,816.36 : x
  2. Step 2: Convert to fraction form
    527,527.66/727,987.18 = 285,816.36/x
  3. Step 3: Cross multiply
    527,527.66x = 727,987.18 × 285,816.36
  4. Step 4: Simplify right side
    527,527.66x = 208,070,645,914.27
  5. Step 5: Solve for x
    x = 208,070,645,914.27/527,527.66
  6. Step 6: Final answer
    x = 394,426.04

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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.