Home / 527,138.02-790,700.03-127,782.30

Finding the Fourth Proportional to 527,138.02, 790,700.03 and 127,782.30

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Solution

The fourth proportional to 527,138.02, 790,700.03 and 127,782.30 is: 191,671.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,138.02 : 790,700.03 = 127,782.30 : x
  2. Step 2: Convert to fraction form
    527,138.02/790,700.03 = 127,782.30/x
  3. Step 3: Cross multiply
    527,138.02x = 790,700.03 × 127,782.30
  4. Step 4: Simplify right side
    527,138.02x = 101,037,468,443.47
  5. Step 5: Solve for x
    x = 101,037,468,443.47/527,138.02
  6. Step 6: Final answer
    x = 191,671.75

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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.