Home / 527,205.02-727,541.60-285,487.60

Finding the Fourth Proportional to 527,205.02, 727,541.60 and 285,487.60

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Solution

The fourth proportional to 527,205.02, 727,541.60 and 285,487.60 is: 393,972.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,205.02 : 727,541.60 = 285,487.60 : x
  2. Step 2: Convert to fraction form
    527,205.02/727,541.60 = 285,487.60/x
  3. Step 3: Cross multiply
    527,205.02x = 727,541.60 × 285,487.60
  4. Step 4: Simplify right side
    527,205.02x = 207,704,105,284.16
  5. Step 5: Solve for x
    x = 207,704,105,284.16/527,205.02
  6. Step 6: Final answer
    x = 393,972.17

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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.