Home / 527,416.64-727,838.46-285,699.22

Finding the Fourth Proportional to 527,416.64, 727,838.46 and 285,699.22

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Solution

The fourth proportional to 527,416.64, 727,838.46 and 285,699.22 is: 394,266.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,416.64 : 727,838.46 = 285,699.22 : x
  2. Step 2: Convert to fraction form
    527,416.64/727,838.46 = 285,699.22/x
  3. Step 3: Cross multiply
    527,416.64x = 727,838.46 × 285,699.22
  4. Step 4: Simplify right side
    527,416.64x = 207,942,878,488.41
  5. Step 5: Solve for x
    x = 207,942,878,488.41/527,416.64
  6. Step 6: Final answer
    x = 394,266.82

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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.