Home / 527,822.02-791,721.96-128,465.02

Finding the Fourth Proportional to 527,822.02, 791,721.96 and 128,465.02

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Solution

The fourth proportional to 527,822.02, 791,721.96 and 128,465.02 is: 192,694.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,822.02 : 791,721.96 = 128,465.02 : x
  2. Step 2: Convert to fraction form
    527,822.02/791,721.96 = 128,465.02/x
  3. Step 3: Cross multiply
    527,822.02x = 791,721.96 × 128,465.02
  4. Step 4: Simplify right side
    527,822.02x = 101,708,577,425.84
  5. Step 5: Solve for x
    x = 101,708,577,425.84/527,822.02
  6. Step 6: Final answer
    x = 192,694.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.